Police catch a break on three cold case murders when emerging DNA technology makes a stunning match, a 73-year-old man who's been in prison since 1993; detectives interrogate the frail man whose harmless façade is hiding a murderous psychopath.

A 33-year-old oil rig worker calls 911 to report his girlfriend missing; he seems to be helping in the time-critical hunt to find her; a failed polygraph test leads detectives to suspect this seemingly caring boyfriend is a psychopath.

When friends find Brad McGarry shot to death in the basement of his Bellaire, Ohio home, evidence suggests a robbery; when detectives learn that Brad is an openly gay man working in the world of coal mining, a more complicated motive emerges.

A wife is killed while calling 911 and her husband is shot in the leg; he claims it was an intruder, but the police have their doubts.

Police catch a break on three cold case murders when emerging DNA technology makes a stunning match, a 73-year-old man who's been in prison since 1993; detectives interrogate the frail man whose harmless façade is hiding a murderous psychopath.

A 33-year-old oil rig worker calls 911 to report his girlfriend missing; he seems to be helping in the time-critical hunt to find her; a failed polygraph test leads detectives to suspect this seemingly caring boyfriend is a psychopath.

In 1993, investigators find the body of a young Florida man in the Everglades; when homicide investigators question his group of friends, they uncover a sordid world of sex, prostitution, and bullying.

Sharon is amazed to be alive after learning about her ex's twisted crimes.

Alice Jenkins locks Jesse Eging in a closet; Jesse realizes that if he and his siblings do not find a way to escape, they will surely die.

Twenty-one year-old Kortne Stouffer vanishes from her bed one night following a couple of scuffles with neighbors and friends.

Nancy Moyer disappears while her children are visiting their father; police look into Moyer's background, finding a surprisingly complicated life; then, a murder occurs nearby, prompting authorities to ask if the cases could be connected.

In Philadelphia, a couple disappears on date night; their families unite to find them, then start pointing fingers, and the FBI soon takes over the investigation into the couple's disappearance, which has become riddled with speculation.

The bullet-riddled body of 19-year-old college student Amanda Anderson is found by her sibling, Nate; with few leads, J.B., Pamela and Joe spring into action; ultimately, it is a crime-scene detail that leads to the case's shocking conclusion.

Detective Pam Dunklin's first homicide as the lead investigator begins one balmy summer afternoon when bartender Jeff Joplin is found beaten, strangled and stabbed to death on the floor of his home near Horseshoe Lake in Smith County, Texas.

A woman begs Detective Joe Rasco to reopen the 1982 unsolved murder of her cousin, Catheryn Powell; in doing so, he discovers a case filled with fake leads, dead ends and false confessions.

Oklahoma newlywed Rex Harper is shot dead at the wheel of his truck on Main Street in what investigators believe is a professional hit; with no witnesses or clues, detectives must crack the cowboy code of silence to reveal the key to his killing.

A prairie-town sheriff uncovers a drug ring that includes its most powerful law enforcement officials; to help bring them down, he calls in the FBI; just before the trial, the ring's kingpin makes a deal, and days later, he's dead.

Single mom Karen Petersen is enjoying a night out when a handsome cowboy charms his way into her home; he attacks her, leaving her for dead, and as more victims emerge, cops fear a serial killer is on the loose.

In Howard City, Michigan, detectives investigate a night of horror that ends with the shooting of beloved couple Robert and Norma Bean in a gravel pit; local tips provide alarming new clues, revealing the shocking timeline of their final hours.

Tourist town Traverse City, Mich., is turned upside down when 18-year-old Kalee Bruce is bludgeoned to death at her workplace.

Christmas is ruined when hikers in New Mexico stumble across Roxanne Houston's shallow grave; the murder rocks the community of Taos and tension builds between those with small town values and the outsider lifestyle on the Mesa.

In Monroe, Ohio, an affluent retirement community is baffled after Barbara Howe simply vanishes one night; the police soon find Barbara's body in the trunk of her car, and her throat has been slit.

When Casey Morgan is found dead inside her home, police must unravel her dating history to figure out the killer.

After the murder of a beloved businessman in his Michigan home, detectives dig deep and uncover a web of betrayal, secrets and greed; as they close in, one truth emerges; someone closest to him may have wanted him dead the most.

In Anchorage, a rebellious teen girl forms a fast friendship with a bubbly newcomer; the picture-perfect friendship soon becomes fractured as a storm of lies, betrayal and manipulation ultimately ends in unspeakable tragedy.

Best friends take a girl's trip before applying to grad school; when one of them doesn't make it home, everyone wonders, what happened in Vegas.

When a young woman turns up murdered, police desperately try to retrace her last known movements; however, what they discover reveals two shockingly different possibilities of how she was killed.

In Anchorage, a rebellious teen girl forms a fast friendship with a bubbly newcomer; the picture-perfect friendship soon becomes fractured as a storm of lies, betrayal and manipulation ultimately ends in unspeakable tragedy.

Best friends take a girl's trip before applying to grad school; when one of them doesn't make it home, everyone wonders, what happened in Vegas.

When a young woman turns up murdered, police desperately try to retrace her last known movements; however, what they discover reveals two shockingly different possibilities of how she was killed.

After the murder of a beloved businessman in his Michigan home, detectives dig deep and uncover a web of betrayal, secrets and greed; as they close in, one truth emerges; someone closest to him may have wanted him dead the most.

When a Playboy party hostess and model is found dead and dismembered in a dumpster, it ignites a tabloid media frenzy; as police investigate her romantic partners, her reality TV star husband heads for the Canadian border.

When a former Playboy bunny's husband is shot dead at home, the investigation reveals sordid affairs, family infighting and a possible hired hit; the search for the truth ultimately leads to multiple suspects, including some close to home.

A serial killer terrorizes a small Texas town.

A young woman's naked body is discovered in a remote area leading forensic investigators on a search for clues to her identity and the identity of her killer.

When a Yale student mysteriously vanishes days before her wedding, investigators comb a secure research lab for clues.

People Magazine investigates the 1990 murder of Dianne Hood; nobody can understand why someone would murder the well-liked mother, but the investigation uncovers two broken marriages, an extramarital affair and one man trying to control two women.

People Magazine editorial director Cynthia Sanz introduces the story of a sadistic murderer who terrorizes Dallas in 1991; multiple women are found murdered with their eyeballs surgically removed, leading media to dub him The Eyeball Killer.

In 1992, 11-year-old Shauna Howe disappears as she returns home from a Girl Scouts Halloween party; when Shauna's body shows up in a local creek, her murder sends shockwaves through her community.

In 1993, investigators find the body of a young Florida man in the Everglades; when homicide investigators question his group of friends, they uncover a sordid world of sex, prostitution, and bullying.

After the murder of a beloved businessman in his Michigan home, detectives dig deep and uncover a web of betrayal, secrets and greed; as they close in, one truth emerges; someone closest to him may have wanted him dead the most.

An officer responds to a 911 call placed by a robber on the lam who feels compelled to turn himself in; when the officer arrives at the scene, the criminal confesses to much more than breaking and entering.

A man confesses to accidentally killing his best friend while cleaning his gun; during his interrogation, he stuns police by revealing that he's behind a long trail of bloodshed and is a serial killer who seems to consider himself an angel of mercy.

Experts examine unique characteristics of female psychopathic killers, whether they are as rare as people imagine, and their crimes.

Police find a 17-year-old female's dead body in a ditch with two gunshot wounds; the investigation centers on two friends of the victim claiming her death was an accident, but detectives uncover it was a thrill kill carried out by evil psychopaths.

A mother who calls 911 to report her 32-year-old son is threatening her turns up dead in her home; he becomes the only suspect, and when he turns himself in, his pragmatic retelling of the slaying isn't just cold-hearted, it's psychopathic.

Police reveal a suspected suicide as a brutal nine-shot execution with only two suspects, the victim's ex-wife and their son; that son, Radley Horwitz, recalls the toxic series of events, which he says triggered his mother's murderous act of rage.

Corey Breininger, a 10-year-old, shoots his father in a tragic accident, but years later, Corey reveals all is not what it seems; with extraordinary courage, he recounts the truly harrowing story of the sinister role played by his scheming stepmom.

The heir-apparent to a Colorado ranch, Jake Millison, suddenly disappears, which shocks his friends, but his family doesn't seem to care; when a worker discovers human remains, an unexpected confession destroys the bond between mother and child.

In January 2014, Nathan and Krystal Maddox are gunned down just seconds after leaving a remote church in Texas; the brutal double murder leaves a close-knit community traumatized.

Michael and Rebecca Hargon vanish from their Mississippi home along with their young son; investigators discover Michael has recently come into an inheritance, and they are forced to confront the idea that his recent good fortune may be a factor.

Donna Callahan was just 29 when she went missing from a Gulf Breeze convenience store in '89; three years later, an inmate is ready to confess to her murder; as two agents dig deeper into the lead, they uncover a witness who's hiding a big secret.

Forensic technology years later solves the case of 20-year-old student Cathy Torrez who was found dead in the trunk of her own car.

Michael and Rebecca Hargon vanish from their Mississippi home along with their young son; investigators discover Michael has recently come into an inheritance, and they are forced to confront the idea that his recent good fortune may be a factor.

Donna Callahan was just 29 when she went missing from a Gulf Breeze convenience store in '89; three years later, an inmate is ready to confess to her murder; as two agents dig deeper into the lead, they uncover a witness who's hiding a big secret.

Forensic technology years later solves the case of 20-year-old student Cathy Torrez who was found dead in the trunk of her own car.

In January 2014, Nathan and Krystal Maddox are gunned down just seconds after leaving a remote church in Texas; the brutal double murder leaves a close-knit community traumatized.

In pursuit of a serial killer, Colorado police are horrified when a pager found in the snow near a victim's vehicle points to a suspect who has sworn to protect and serve.

In New York, a home healthcare worker disappears on an icy night, and her loved ones lead the search for her safe return, then a series of incoming text messages and a missed call reveal a soul-crushing truth about what happened to her.

Amanda Blackburn and her unborn child are killed during a home invasion; with no forced entry and few leads, investigators have to piece together scattered clues, surveillance footage, stolen items and witness accounts.

When a young woman turns up murdered, police desperately try to retrace her last known movements; however, what they discover reveals two shockingly different possibilities of how she was killed.

Can police solve the disappearance of a teenager kidnapped out of her own bed in the middle of the night?

Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston mass murders, to unravel his chilling journey from manipulated teen to convicted killer and the truth behind the line between victim and predator.

A wife wakes to find her husband dead outside in the snow, she calls 911; when the police discover a volatile history, suspicions are aroused; a man calls police after both his parents are shot dead in their home.

After a man's savage murder at home, his wife is in the frame after calling 911, but the truth is more macabre than anyone dared believe; a husband finds his wife with shots to the head.

A wife is killed while calling 911 and her husband is shot in the leg; he claims it was an intruder, but the police have their doubts.

When Heidi's alcoholic husband, Chris, goes missing, she searches far and wide to find him, getting help from Chris' wider family; after a missing person's report is filed, police uncover a dark secret hidden in the basement of the marital home.

Police officer Andy Kimbrel hopes to find happiness with new wife, Stephanie Keller, but when the marriage starts to fail, Andy falls victim to manipulation and violence; a fierce argument leads to tragedy, and police suspect something more.

Jenny and Mike are teen sweethearts but after marrying, Mike begins a campaign of control and violence against his wife and children; just as Jenny plans to escape her living nightmare, Mike finds out and decides he will do anything to stop her.

A chilling look inside the homes of actual killers; a peek at their prisons to hear from killers themselves, resulting in powerful, unsettling and contentious encounters.

Patrick Pidock knows there's something dark inside him, and his daughter, Fawn, and those around him suffer from his sudden outbursts; he's warned that one day he'll kill someone, but no one knows how dangerous he is until he takes a life.

Michelle looks up to her father, but over time, fear and disgust replaces respect; as a teen, her world changes forever as horrific revelations buried for years finally emerge; Michelle's father must answer for his crimes.

Kayla's mother pays a hefty price when she breaks free of her husband Richard; he plots a final and brutal revenge.

When Letisha meets Phillip, his charm lures her in; but when his dark side emerges, Letisha is trapped; she manages to escape him, but when she discovers he's wanted for rape and murder, she knows she's lucky to be alive.

A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run; when a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill.

When a young mother goes missing, her husband joins the search; police discover her dismembered body in a stack of bins; detectives find her husband to be a typical suburban dad, but learn a murderous psychopath lurks within.

Terror rocks an Ohio town when a mother, her two kids and a close friend vanish; investigators track down the prime suspect and uncover a house of horrors; detectives find themselves dealing with a psychopath with a bizarre obsession.

When a loving husband turns up murdered in his Loveland, Ohio home, the prime suspect is his troubled wife, who claims to have little recollection; detectives uncover her story is nothing but the manipulation of a vindictive person.

When Letisha meets Phillip, his charm lures her in; but when his dark side emerges, Letisha is trapped; she manages to escape him, but when she discovers he's wanted for rape and murder, she knows she's lucky to be alive.

A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run; when a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill.

When a young mother goes missing, her husband joins the search; police discover her dismembered body in a stack of bins; detectives find her husband to be a typical suburban dad, but learn a murderous psychopath lurks within.

Terror rocks an Ohio town when a mother, her two kids and a close friend vanish; investigators track down the prime suspect and uncover a house of horrors; detectives find themselves dealing with a psychopath with a bizarre obsession.

When a loving husband turns up murdered in his Loveland, Ohio home, the prime suspect is his troubled wife, who claims to have little recollection; detectives uncover her story is nothing but the manipulation of a vindictive person.

Kayla's mother pays a hefty price when she breaks free of her husband Richard; he plots a final and brutal revenge.

Lt. Joe Kenda has his doubts after a man steps forward claiming to have killed Keith Andrews in self defense; Civil Rights activist Gretchn McRae is found dead in her home, then authorities make another shocking find on the premises.

A hostage situation puts Sgt. Joe Kenda and his team to the test, as they try to save a family without getting shot themselves; a neighbor discovers two teenagers who apparently entered into a suicide pact; however, one of them has multiple injuries.

In Toledo, Ohio, Sister Margaret Ann is discovered dead in the chapel on Holy Saturday morning; police mount an investigation that will unearth the lies and secrets leading to her death.

Pretty preteen Rosie Davenport is found brutally murdered in an abandoned house, the circumstances of her death eerily similar to the unsolved murder of 13-year-old Malissa Thomas one year earlier.

A devoted fiancé discovers that his beloved partner, Anne Boncella, and her 8-year-old daughter have been murdered; the ensuing investigation will unravel shocking secrets that have been dormant in their seemingly peaceful hometown.

The unofficial mayor of an idyllic suburban street locks horns with the new neighbor who shows no respect for local values; disagreements escalate to arguments, threats, and property damage, ending in brutal violence that shatters two families.

Neighbors take sides after someone decides to build a dream home on their quiet street; longtime friends turn into hardcore enemies and death is right around the corner.

A handyman, living rent-free in the home of a generous friend, grows increasingly paranoid about his neighbors; filming them constantly and fighting with them incessantly until conflict escalates out of control and culminates in explosive violence.

A former police chief gets into constant conflicts with a young renter who doesn't respect his authority; the war between them intensifies until blood flows down their street.

After breaking free from her controlling ex-husband, single mother Tanya Petro meets and falls helplessly in love with Ron Gibson, only to disappear a few months later.

With a new home and loving fiancé, single mother Lisa Filiaggi finally feels as though luck is on her side, then past troubles come back to haunt her and threaten to destroy all her future plans.

On Mother's Day, first-time mother Tennyson Jacobson fights off a violent intruder during her daughter's nap time.

For nearly two decades, physician-turned-murderer Michael Swango leaves a trail of death and mayhem across two continents.

Dr. Michael Swango takes an oath to do no harm, but does just the opposite; suspicious illnesses and deaths follow the once-trusted physician-turned-killer from hospital to hospital for nearly two decades and across two continents.

In the early 90s, drug kingpin Clarence Preacher Heatley rules New York City; he rakes in millions during the crack epidemic, murdering anyone who gets in his way; after a 12-year-old boy is killed, the Feds try to take him down.

In the early 90s, drug kingpin Clarence Preacher Heatley rules New York City; he rakes in millions during the crack epidemic, murdering anyone who gets in his way; after a 12-year-old boy is killed, the Feds try to take him down.

In 1995, a teen enrolls in a government trade program and meets a new boyfriend; as he draws her into the occult, tensions rise; when four people walk into the woods on a winter night and only three return, investigators uncover a story.

Christa Pike is the only woman on death row in Tennessee; in 1995, she is introduced to Satanism, and her fascination grows until it comes to a deadly head in the woods one night in January.

In a quiet Georgia suburb, a couple opens their home to an old friend. But as past bonds reignite, dark motives creep in and what begins as hospitality soon unravels into a tangled mystery no one sees coming.

In 1969, a woman is found murdered in Los Angeles, but her identity is a mystery; for decades, police investigate hoping to put a name to the face and find her killer; the one lead that comes up over and over leads them to Charles Manson.

Christa Pike is the only woman on death row in Tennessee; in 1995, she is introduced to Satanism, and her fascination grows until it comes to a deadly head in the woods one night in January.

In a quiet Georgia suburb, a couple opens their home to an old friend. But as past bonds reignite, dark motives creep in and what begins as hospitality soon unravels into a tangled mystery no one sees coming.

In 1969, a woman is found murdered in Los Angeles, but her identity is a mystery; for decades, police investigate hoping to put a name to the face and find her killer; the one lead that comes up over and over leads them to Charles Manson.

In 1995, a teen enrolls in a government trade program and meets a new boyfriend; as he draws her into the occult, tensions rise; when four people walk into the woods on a winter night and only three return, investigators uncover a story.

In 2015, Detective Scott Sanderson finds himself investigating one of the strangest cases of his career, involving a missing woman and her newborn; before long, he uncovers a diabolical scheme that will destroy the lives of everyone it touches.

In early 1980, two eerily similar crimes occur 400 miles apart; they both leave young mother dead and an infant child stolen; years later, police unravel a plot so cold-blooded, it leaves everyone even seasoned homicide detectives in utter shock.

Two young men are shot dead in the middle of the night, and the only witness has no idea who the gunman is; Omaha PD detectives turn to digital forensics, hoping hidden data buried in the victims' cell phones can help track down the killer.

When family man Ricky Saxton is found murdered, investigators turn to a forensic data specialist at the FBI to help locate a missing piece of the puzzle; a deleted snapshot buried deep within the data leads them to Ricky's killer.

When widow Valena Shepherd is found dead at home, police suspect foul play; investigators follow digital clues that suggest Valena knew her killer and hope the data contained within a digital heart monitor device pinpoints the perpetrator.

After an infant stops breathing, Kenda and Walker investigate whether the daycare is to blame or the parents themselves; Kenda works an execution-style shooting, and he is shocked to learn the victim is a kindly grandmother.

Shot outside an auto parts store in broad daylight, Antoine McKenzie leaves behind a final message written in her own blood for Lt. Joe Kenda to puzzle over as his only lead.

When a young U.S. Army veteran is found stabbed to death on his living room floor, suspicion lands on a neighbor who was arrested during an altercation; when Lt. Kenda takes a closer look at the victim's love life, he realizes someone's been lying.

A young man is found gunned down, leading Lt. Joe Kenda to delve into his troubled past and his connection to the world of rare coins; a mother of five is shot in the head, and it's up to Kenda to uncover the truth behind her untimely death.

Looking for adventure in the secluded high desert of California's Indian Creek, three teenage boys run into a deadly drifter.

Lori Brown's life seems perfect; on one unfortunate Monday afternoon, Lori's life takes an unexpected, devastating turn.

In Santa Cruz, Calif., 19-year-old Linda Jozavich vanishes from work one night in 1979; then, years later, the murder of another local teenager, Lois Sigala, gives investigators a lead that puts them one step closer to solving Jozavich's case.

After Heather Young and her boyfriend relocate to Michigan's tranquil Lower Peninsula, a nasty fight leads to an explosive and terrifying outcome.

When a husband discovers his wife and two children brutally murdered, police begin to suspect the killer is someone they've arrested before; one year prior, a disturbed teenager terrorizes a family for months by hiding in a most unlikely place.

Investigators respond to calls of an attack on a man in front of a house on Elm Street; they discover a quadruple homicide; detectives soon discover there is more to these murders than meets the eye, involving torture, revenge and even Satan.

During a street festival, detectives discover the body of a young man hidden inside a trash can; with few leads to go on and suspects at every turn, police aren't sure who they can trust and wh the next one is.

Pastor Michael Flippo and wife Cheryl take a spring getaway to a cabin at Babcock State Park; after midnight, an invader strikes, killing Cheryl and injuring Michael; investigators chase leads, from a stalker to an arsonist with dark motives.

When Michigan hair stylist Kevin Bacon goes missing, his friends and family are concerned; when police unlock Kevin's cell phone, they discover clues to his whereabouts; it leads them to a remote house and a basement dungeon.

Sisters Bre and Kayli Lasley have just moved into the perfect apartment in downtown Salt Lake City, unaware that a recent parolee is living nearby.

The discovery of a burned body sends police on the hunt for camera footage that may show the crime.

When Michigan hair stylist Kevin Bacon goes missing, his friends and family are concerned; when police unlock Kevin's cell phone, they discover clues to his whereabouts; it leads them to a remote house and a basement dungeon.

Sisters Bre and Kayli Lasley have just moved into the perfect apartment in downtown Salt Lake City, unaware that a recent parolee is living nearby.

The discovery of a burned body sends police on the hunt for camera footage that may show the crime.

Pastor Michael Flippo and wife Cheryl take a spring getaway to a cabin at Babcock State Park; after midnight, an invader strikes, killing Cheryl and injuring Michael; investigators chase leads, from a stalker to an arsonist with dark motives.

Ed and Minnie Maurin believe in kindness above all else, then evil strikes the sweet couple; police must navigate a long and winding road of secrets and deception to bring the elderly couple's killers to justice.

Neighbors Kay Parsons and Becky Sears are practically family, working together and raising their children side by side, but being so close leads to scandal and murder, leaving both families forever damaged.

In 1981, thirteen-year-old Mary Day vanishes and Investigators suspect her stepfather may have killed her, but they never recover her body; decades later, a woman claiming to be Mary appears, stirring suspicions on what happened.

Master conman Nicholas Rossi fakes his death to evade justice, adopts new identities and leaves a trail of alleged crimes across continents.

Jon and Carie Hallford's return to nature promises care but instead leaves bodies decomposing in filth and provides families with concrete instead of ashes; when investigators arrive, the Hallfords flee, leaving families demanding justice.

In 1982, a young mother's husband discovers her murdered at home with an ax in her head; everyone thinks a psychopath is on the loose, but police never make an arrest; the authorities find that their killer is someone very close to home.

Right before Thanksgiving, two masked gunmen reportedly invade a couple's home and kill the husband; with few leads, police use ballistics, forensics and neighborhood gossip to solve this cold-blooded murder.

In 1980, Tim Hack and Kelly Drew go missing from a small Wisconsin town, then their bodies are found in a field; a woman comes forward nearly 40 years later to help solve the so-called.

During an armed robbery, a father of three is fatally shot, but for 23 years, another family questions if the wrong man is behind bars.

In 2005, a woman interrupts the murder of her grandson; the investigation reveals that the witnesses know more than they are letting on.

An 11-year-old girl makes a gruesome discovery in her own home; a woman is desperate to reach her mother but has a sickening feeling that something horrible has happened; a murder case rattles a homicide detective to her core.

In 1996, Larry Schlegel visits his elderly mother at the hospital one last time before she succumbs to pneumonia; years later, police inform Schlegel that his mother's death was not at all what it seemed.

After a single mother vanishes in Wisconsin, police learn she was recently stalked by two men at a bar.

After a woman misses a routine bank run with her sister, panic begins to spread among her family members, then the family's worst fears are realized when a passerby finds the woman's frozen, nude body in an alley.

Baffled by the animal instincts of a cross-country killer whose crimes seem to go dormant in winter, authorities follow his tracks to a den of deceit in the frozen tundra of Alaska.

A police officer is gunned down while on a midnight patrol, and her attacker flees with her squad car and weapon.

A killer seemingly slips past tight security, murders two jewelers and leaves a fortune in diamonds untouched; with no sign of forced entry, detectives chase shadows for years, until a long-buried connection exposes the truth behind the crime.

Renard Spivey, the TV bailiff who was accused of murdering his wife, opens up about the trial, his wife and more.

A young waitress is attacked as she returns home from work late at night.

After a young girl disappears from her bus stop, a search reveals that her terrifying abduction has ended in a homicide; as police mount a tireless search to find her killer, the community rallies together to get justice for Angie.

Renard Spivey, the TV bailiff who was accused of murdering his wife, opens up about the trial, his wife and more.

A young waitress is attacked as she returns home from work late at night.

After a young girl disappears from her bus stop, a search reveals that her terrifying abduction has ended in a homicide; as police mount a tireless search to find her killer, the community rallies together to get justice for Angie.

A killer seemingly slips past tight security, murders two jewelers and leaves a fortune in diamonds untouched; with no sign of forced entry, detectives chase shadows for years, until a long-buried connection exposes the truth behind the crime.

Women who commit crimes out of greed.

Sometimes the love of one person isn't sufficiently satisfying.

A rookie police officer meets a beautiful exotic dancer; he keeps secrets from his sergeants and his new girlfriend, and he'll stop at nothing to keep his double life secret.Guests: Raven Cinello..

A Texas woman enters into an affair with her daughter's grandfather, causing a major rift in the family and eventually leading to a bloody showdown.Guests: Raven Cinello..

A female boxer enters a forbidden relationship with her trainer, then she tries to leave his controlling grip and finds herself fighting for her life.Guests: Raven Cinello..

Michelle Miller investigates the murder of Ally Kostial, and the trail detectives followed to find her killer; prosecutors say this case raises questions about missed warning signs in relationships and whether her murder could have been prevented.

Diana Duve was last seen alive leaving a bar in Vero Beach, Fla., with her on-again, off-again boyfriend, Mike Jones; her mother knew something was wrong when Diana didn't call her, something she did every day.

The police find the wife of a California fertility doctor dead at the bottom of a staircase in their San Clemente home.

A 24-year-old Yale Ph.D. student named Annie Le goes missing; CCTV shows Annie arrive at Yale, but she is not seen leaving; police search every inch of the building, until they find something horrific.

On Valentine's Day, police discover Demetrius Graves fatally stabbed on the street; two days later, Bonnie Ross turns up dead at home; a trail of CCTV evidence uncovers that these two very different people share one fateful connection.

When someone murders a Tennessee state trooper in the middle of a highway, investigators turn to his dashcam for answers; a manhunt quickly gets underway, but it takes even more surveillance video to pick up a killer's trail and crack the case.

In Texas, on Christmas Eve 2010, a woman gets a mysterious phone call at work and speeds home to find her 12-year-old son gone without a trace; investigators look at those closest to the boy, but only surveillance footage can lead them to the truth.

When Russian mortgage broker Fay Zonis is found murdered in her office, it sends chills through Philadelphia's Russian-American community; as detectives hone in on her killer, the investigation sends shock waves around the world.

When a hard-working, pregnant mother vanishes, detectives stumble on a love-triangle that may explain the secrets behind her death.

When Ellen Robb's husband finds her murdered in their quiet suburban Philadelphia home, evidence points to a robbery gone wrong; however, police dig deeper into the couple's life, and they learn the motive may be far more sinister.

A skeleton is discovered on the edge of a high school football field during a game of catch; it takes a forensic sculptor, tireless detective work, and some luck, to finally bring the mysterious killer to justice.

A vacation hotspot loses its charm when a killer bludgeons a teen at work; investigators hunt the murderer, knowing each passing day could bring another victim and plunge the town deeper into fear.

When Michigan hair stylist Kevin Bacon goes missing, his friends and family are concerned; when police unlock Kevin's cell phone, they discover clues to his whereabouts; it leads them to a remote house and a basement dungeon.

A mother awakes to find her two sons with their throats cut; their aunt's boyfriend confesses to his mother, and she wears a wire to capture her son; as he admits his guilt, it's clear how a psychopathic rage led to violence.

A young man's confession to participating in a plot to murder another teenager stuns police in a small Florida town; detectives uncover a plot involving a manipulative ex-girlfriend and a young psychopath with the desire to kill.

On a quiet winter night, a mother finds her 22-year-old son horrifically dismembered in her basement. The lone suspect is the victim's ex-girlfriend, who is at her home in an emotionless state, with blood on her hands.

A teenager is arrested after his mother finds the body parts of a missing drifter in his bedroom; while in custody, police uncover that the suspect is a psychopath who idolizes serial killers.

When Michigan hair stylist Kevin Bacon goes missing, his friends and family are concerned; when police unlock Kevin's cell phone, they discover clues to his whereabouts; it leads them to a remote house and a basement dungeon.

A mother awakes to find her two sons with their throats cut; their aunt's boyfriend confesses to his mother, and she wears a wire to capture her son; as he admits his guilt, it's clear how a psychopathic rage led to violence.

A young man's confession to participating in a plot to murder another teenager stuns police in a small Florida town; detectives uncover a plot involving a manipulative ex-girlfriend and a young psychopath with the desire to kill.

On a quiet winter night, a mother finds her 22-year-old son horrifically dismembered in her basement. The lone suspect is the victim's ex-girlfriend, who is at her home in an emotionless state, with blood on her hands.

A teenager is arrested after his mother finds the body parts of a missing drifter in his bedroom; while in custody, police uncover that the suspect is a psychopath who idolizes serial killers.

A vacation hotspot loses its charm when a killer bludgeons a teen at work; investigators hunt the murderer, knowing each passing day could bring another victim and plunge the town deeper into fear.

The close bond between cousins Mark Corona and Paul Stoeppler is quickly severed when one of them is murdered in cold blood; never-before-seen home movie video and shocking CCTV reveals what happened.

John Eichner, his wife and kids look like a happy family in Genoa, Ohio, but behind closed doors a disturbing pattern of torment and gaslighting plays out for years, and well-crafted lies drown out a victim's pleas for help.

A puzzling crime scene, disturbing evidence and a young mother murdered; police are determined to bring her killer to justice.

The abduction of a young girl sends a relentless detective on a quest to bring justice to her heartbroken family.

Police must unravel a puzzling mystery when a beloved father and real estate executive is ambushed in his office.

A parking lot showdown terrifies onlookers; a fender-bender leads a motorist on a chase; an aggressive driver uses an unusual weapon on her victim; tensions run high for two squabbling motorists.

A TV personality has a violent encounter with another motorist; a dramatic car chase has a fiery end; a wild assortment of weapons is used to settle roadside disagreements.

A sports car driver destroys multiple cars; a man climbs onto the hood of a school bus; a menacing man harasses a father and his son; a disgruntled driver shoots at another motorist.

A group of drivers brawl in a Texas intersection; a man pursues and attacks a motorist on an isolated road; a driver gets into an intense exchange with construction workers; a raging motorist takes out his frustrations on another man's windshield.

A mom defends her kid from a rowdy group of bikers; a deranged driver repeatedly rams another motorist; a driver defends himself from aggressive road ragers; a highway wreck leads to a brutal stabbing.

An angry man targets another driver; an elderly man is taken for a wild ride on the freeway; a couple pulls a pistol on another driver; raging drivers from all over the world are featured.

Akron officers respond to a shooting outside a convenience store; they find Dereke Alexander bleeding with a faint pulse, but he doesn't survive; the investigation leads detectives to two cold-blooded killers who stalked and hunted the man.

Lansing police officers find Donovan Barfield's body riddled with bullets and his apartment ransacked; as investigators race to identify the perpetrator, they uncover a diabolical plan of murder and robbery orchestrated by a trio of reckless killers.

When workers find a body on an abandoned property in western Ohio, it opens up a homicide investigation that sends shockwaves through the Amish community.

Michelle Kinney is found murdered in her apartment in Dubuque, Iowa, puzzling her neighbors; local detectives unearth a haunting truth, leading to a shocking confession from an unlikely murderer.

William Hargrove loves both Anna and Michelle: When Michelle tells him he has to choose between them, he picks her, and Anna winds up dead.

When a woman is found dead in front of her boyfriend's home in Michigan, all evidence seems to point to the boyfriend, but detectives uncover more suspects.

When a ranch hand is found dead in a river outside of Salt Lake City, investigators across two states must work together to catch the killer; searching for the truth uncovers a trail of fraud, deception and adultery, shocking a small town in Nevada.

Sixteen-year-old Mujey Dumbuya turns up dead four days after leaving her home to go to school; police across multiple jurisdictions unite to uncover the tragic truth behind her murder, and jailhouse calls provide the clues to catch the killer.

Jose Najera's parents sacrifice everything to give him a brighter future; after a late-night party, Jose steps into horror when he finds them stabbed in their bedroom; detectives sift through secrets to unmask who wanted them dead.

Christa Pike is the only woman on death row in Tennessee; in 1995, she is introduced to Satanism, and her fascination grows until it comes to a deadly head in the woods one night in January.

A killer stabs UCLA student Ron Baker to death in a train tunnel known for its connection to the Manson murders. Occult rumors begin to spread - until another missing friend redirects suspicion to Baker's inner circle.

Can police solve the disappearance of a teenager kidnapped out of her own bed in the middle of the night?

Christa Pike is the only woman on death row in Tennessee; in 1995, she is introduced to Satanism, and her fascination grows until it comes to a deadly head in the woods one night in January.

A killer stabs UCLA student Ron Baker to death in a train tunnel known for its connection to the Manson murders. Occult rumors begin to spread - until another missing friend redirects suspicion to Baker's inner circle.

Can police solve the disappearance of a teenager kidnapped out of her own bed in the middle of the night?

Jose Najera's parents sacrifice everything to give him a brighter future; after a late-night party, Jose steps into horror when he finds them stabbed in their bedroom; detectives sift through secrets to unmask who wanted them dead.

A missing woman's uncle prays for her to surface, then comes the rain.

In 1993, a mother and her 3-year-old son go missing in Jacksonville, Fla.

Angelina Fernandes, 11 years old at the time, witnesses her mother in distress at a bloody crime scene; she claimed she acted in self-defense when she fatally stabbed her fiancé, Andy Wagner, but it would be up to a jury to decide what happened.

After married couple Krista and Bart Halderson suddenly disappears, clues on the social media app Snapchat point to a culprit that no one would ever suspect.

In Louisiana, Megan Parra's parents find the kindergarten teacher at home with a gunshot wound to her head; authorities rule her death a suicide, but her family alleges foul play at the hands of her husband.

In 1995, a teen enrolls in a government trade program and meets a new boyfriend; as he draws her into the occult, tensions rise; when four people walk into the woods on a winter night and only three return, investigators uncover a story.

Pastor Michael Flippo and wife Cheryl take a spring getaway to a cabin at Babcock State Park; after midnight, an invader strikes, killing Cheryl and injuring Michael; investigators chase leads, from a stalker to an arsonist with dark motives.

A killer seemingly slips past tight security, murders two jewelers and leaves a fortune in diamonds untouched; with no sign of forced entry, detectives chase shadows for years, until a long-buried connection exposes the truth behind the crime.

A vacation hotspot loses its charm when a killer bludgeons a teen at work; investigators hunt the murderer, knowing each passing day could bring another victim and plunge the town deeper into fear.

Jose Najera's parents sacrifice everything to give him a brighter future; after a late-night party, Jose steps into horror when he finds them stabbed in their bedroom; detectives sift through secrets to unmask who wanted them dead.

Philadelphia police officers find four adults locked in a filthy basement dungeon as the investigation leads detectives across four states, resulting in multiple felony arrests; all evidence points to a single ringleader behind a deadly scheme.

When friends find Brad McGarry shot to death in the basement of his Bellaire, Ohio home, evidence suggests a robbery; when detectives learn that Brad is an openly gay man working in the world of coal mining, a more complicated motive emerges.

When Michigan hair stylist Kevin Bacon goes missing, his friends and family are concerned; when police unlock Kevin's cell phone, they discover clues to his whereabouts; it leads them to a remote house and a basement dungeon.

MaryAnn Clibbery is brutally murdered at the remodeling business she owned in Loves Park, Ill.; then, a suspicious bag found floating in an icy river unlocks the secrets of her brutal slaying.

Casey, Ill. looks to their own citizens when they find out a house fire didn't kill Scott Collins, it was murder; secrets revealed about his life aren't enough to lead to his killer, it's his German Shepherd, who holds the key to solving his case.

A lively slumber party turns into a nightmare when a loving mother, her young daughter, and her daughter's friend are murdered.

When wife Tabatha is found stabbed to death at home, a steamy affair and many double lives are revealed to the town's unsuspecting residents.

Happy couple Bill and Mary Yoder run a medical practice outside of Utica, N.Y., but their world collapses after Mary falls ill, and detectives prove that her illness is no accident.

In 1994, a high school student pulls a gun and holds his class hostage; as students, staff and police brace for tragedy, no one expects the day's darkest horror still waits to be uncovered.

An entrepreneur is fatally gunned down in his warehouse, leading detectives to examine his disgruntled employees and his mistress in search of the killer.

Happy couple Bill and Mary Yoder run a medical practice outside of Utica, N.Y., but their world collapses after Mary falls ill, and detectives prove that her illness is no accident.

In 1994, a high school student pulls a gun and holds his class hostage; as students, staff and police brace for tragedy, no one expects the day's darkest horror still waits to be uncovered.

An entrepreneur is fatally gunned down in his warehouse, leading detectives to examine his disgruntled employees and his mistress in search of the killer.

When wife Tabatha is found stabbed to death at home, a steamy affair and many double lives are revealed to the town's unsuspecting residents.

The peace of Raynham, Mass., is forever shattered when cheerleader Mary Lou Arruda goes missing two days after her 15th birthday; the vast search effort to find her ends nine weeks later in the Freetown Forest with a chilling discovery.

In 2002, when 5-year-old Samantha Runnion is playing with a friend in front of their homes in Stanton, Calif., a man appears and snatches Samantha, dragging her into his car; the race is now on to find her and the man responsible.