Detective Mocello responds to the scene of a suspicious fire and hunts for the victim's killer.

A young man is found dead on his front porch; the victim's girlfriend tells detectives that a visit by some friends turned violent.

A body is found face up in an abandoned lot used to shoot off guns on Independence Day.

A 58-year-old man is found dead in an open field on Mother's Day morning.

Detectives in Little Rock, Ark., search for a serial robber whose crimes are becoming increasingly violent and have already claimed one life.

A witness claims to have seen an older man gun down a young man and then speed away; detectives investigate the crime based on the witness's description and begin to realize they have been led astray.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Cardiologist Dr. Ernst von Schwarz, M.D. shows how to manage your blood pressure naturally and help protect your heart for life with My Best Heart.

Danielle is shot point blank in the head by a 14 year old boy; Amy falls 60 feet into a rocky ravine; Mark is attacked with a knife on his boat.

A pregnant woman is abducted, raped and left to die; a man faces freezing to death after a plane crash; a man must play dead to fight for his life.

Jayne fights to save Eduardo after he is kidnapped, tortured, confined to a box and shot twice.

A man, high on the drug PCP, goes on a rampage, stabbing his 11-year-old daughter and viciously attacking and stabbing a neighbor and her son; a man is beaten unconscious by his building contractor.

A cell phone and an ATM card lead to the apprehension of a rapist.

BTK Dennis Rader terrorizes Wichita, Kan., for decades, leaving at least 10 murder victims in his wake.

When a church deacon is found shot to death it looks like police may have stumbled upon a multi-party murder plot; a wife remains a key suspect in her husband's murder case for six years, until she attempts to prove her own innocence.

Publicity of a man's mandatory release in Texas brings forth a witness to a murder after 24 years in Michigan.

DNA evidence solves the murder of a female law student; a man confesses to the random killing of a bowhunter.

In 1987, a young girl is found raped and strangled; in 1983, a young mother is raped and murdered at work.

A wiretapped conversation between a suspected killer and his sister cracks a 9-year-old murder case; a geologist finds human bones, solving the murder of a Virginia woman.

Police in Albany, N.Y., get a surprise when a killer they think targets only older women is suspected in the murder of an elderly man; the contents of a secret storage shed hold the clues to a murder that has gone cold for more than 14 years.

Young girls are sexually assaulted while waiting for their school buses; in 1991, a 9-year-old girl disappears from her home and is found murdered.

Detective Danny Reyes investigates the 1990 murder of a Fort Worth, Texas woman.

In 1995, two women are raped in Louisville, Ky.; in 1982, a young man is found murdered in Deadwood, S.D.

Police go under cover to catch a man they suspect of killing three prostitutes; a letter opener links a priest to the murder of a nun.

Young girls are sexually assaulted while waiting for their school buses; in 1991, a 9-year-old girl disappears from her home and is found murdered.

Detective Danny Reyes investigates the 1990 murder of a Fort Worth, Texas woman.

In 1995, two women are raped in Louisville, Ky.; in 1982, a young man is found murdered in Deadwood, S.D.

Police go under cover to catch a man they suspect of killing three prostitutes; a letter opener links a priest to the murder of a nun.

A wiretapped conversation between a suspected killer and his sister cracks a 9-year-old murder case; a geologist finds human bones, solving the murder of a Virginia woman.

Police in Albany, N.Y., get a surprise when a killer they think targets only older women is suspected in the murder of an elderly man; the contents of a secret storage shed hold the clues to a murder that has gone cold for more than 14 years.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

A pregnant woman is attacked by her neighbor; a young girl is abducted and held captive; a hiker spends three days crawling down a mountain after breaking his ankle.

A woman is abducted at knife-point; a farmer rips his hand off to escape from a combine harvester; a girl is left for dead after having her throat slit.

A mother is abducted by a man who threatens to shoot her baby; a plane crash leaves a man swimming for his life; a woman must play dead to stay alive.

A woman is brutally assaulted then set on fire by her attacker; a man is forced to amputate part of his leg after it is caught in a drive shaft; an act of kindness backfires on a motorist.

The family of Kenia Monge share the agonizing details of what happened around the beautiful 19-year-old's disappearance; her father, sister and authorities explain how the texts in Kenia's cell phone were the impetus to finding her abductor.

The family of Miya Marcano shares the agonizing details of what happened around the beautiful, 19-year-old's disappearance.

Those closest to Madison Nygard share the agonizing details around the beautiful 16-year-old's terrifying abduction as she walked home from a party; her mother, friends and authorities explain how Madison's attack would ultimately uncover clues.

Hannah Anderson's best friend knew something was wrong when Hannah stopped responding to her texts; no one knew that Hannah had been abducted by someone close to her; the amber alert system was used for the first time.

When Deserae Turner doesn't come home after school, her mother and friends begin texting her incessantly; a massive search ensues and 47 of her friends are questioned; her Snapchat turns out to be the key to the mystery.

April Millsap's mother recalls the day she asked her 14-year-old daughter to text her when she got home from walking the dog; April never did; she sent a cryptic text to her boyfriend and disappeared.

After finding each other online, two young girls form a friendship that becomes something deeper.

Three friends turn to small-time criminal activity to survive; as the crimes get bigger, so do the stakes.

After a man inherits money from his wealthy father, his banker best friend offers to help him manage the windfall, but a falling out between the friends ends in murder.

Two best friends turn on each other when a third girl transforms their solid duo into an unstable trio.

Two best friends are split apart by a dark, charismatic teen who holds sway over both of them.

Another girl and a secret come between two unlikely best friends, leading to a gruesome murder.

After a man inherits money from his wealthy father, his banker best friend offers to help him manage the windfall, but a falling out between the friends ends in murder.

Two best friends turn on each other when a third girl transforms their solid duo into an unstable trio.

Two best friends are split apart by a dark, charismatic teen who holds sway over both of them.

Another girl and a secret come between two unlikely best friends, leading to a gruesome murder.

After finding each other online, two young girls form a friendship that becomes something deeper.

Three friends turn to small-time criminal activity to survive; as the crimes get bigger, so do the stakes.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Cardiologist Dr. Ernst von Schwarz, M.D. shows how to manage your blood pressure naturally and help protect your heart for life with My Best Heart.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Attacked and abducted by a church handyman, an elderly woman is left in the trunk of her car to die; a miner and eight co-workers survive 77 hours trapped in a rapidly flooding coal mine.

Abducted and raped; a accident on a boat; a domestic argument leaving two people dead.

A young mother is attacked by a man she meets at a party; a snowmobiler survives a series of avalanches; a 14-year old and his friend are attacked.

A man is stranded in the ocean after he gets separated from his dive partner; a woman is robbed by her best friend and brother; a woman is shot and held captive.

Suspected drug dealers are hunted by the police; a violent schizophrenic threatens a group of partygoers.

The cases get wild on Halloween night; Tony and Dave treat a woman shot in the chest; Will and Dimitri go into detective mode to locate a shooter; Robb and Bethany track a fleeing suspect who believes he can hide in a trash container.

Strange events are afoot across New Orleans, as the first responders must treat a stabbing and a dog bite on Bourbon Street, a pregnant woman in distress, and an overturned vehicle that could go from bad to worse.

Emergency medical responders on the New Orleans night shift race to save victims of a drive-by shooting and a serious car accident, all against the backdrop of the continuing pandemic.

EMS first responders keep their cool and maintain their spirits as they face a series of challenges across New Orleans, including a shooting and stabbing victim and a woman whose slot machine experience takes a bizarre turn.

The legendary French Quarter takes center stage for a busy night of EMT action, as the technicians treat multiple unconscious patients, a young woman assaulted at a party, and a car accident featuring a victim with a tragic backstory.

Police officer Justin joins the SWAT team in a raid; the first responders treat an accident victim with amnesia and a woman who fell off a roof; Arkady bonds with a man who attempted suicide.

Mardi Gras proves hectic for the responders; a man impales his hand on a fence, while another is stabbed in the face; the search for armed robbers leads to a high-speed chase.

The unexpected reigns in the city of New Orleans as EMS responders answer calls about a child shooting, a multiple-vehicle car accident, a reported suicide attempt, and a veteran struggling with a drug overdose.

EMS responders face an unpredictable night of crises, including a violent facial attack, a high school football injury, and a heroin addict's emotional vow.

A New Orleans man is found in the street bleeding from multiple gunshot wounds; police investigate the shooting while emergency medical technicians try to save the victim's life.

A strange Mardi Gras sees the cancellation of traditional parades, but not the end of emergencies, as the EMT crew responds to a vehicle-streetcar collision, a motorcycle accident, a house fire, and potential cardiac arrest.

The unexpected reigns in the city of New Orleans as EMS responders answer calls about a child shooting, a multiple-vehicle car accident, a reported suicide attempt, and a veteran struggling with a drug overdose.

EMS responders face an unpredictable night of crises, including a violent facial attack, a high school football injury, and a heroin addict's emotional vow.

A New Orleans man is found in the street bleeding from multiple gunshot wounds; police investigate the shooting while emergency medical technicians try to save the victim's life.

A strange Mardi Gras sees the cancellation of traditional parades, but not the end of emergencies, as the EMT crew responds to a vehicle-streetcar collision, a motorcycle accident, a house fire, and potential cardiac arrest.

Police officer Justin joins the SWAT team in a raid; the first responders treat an accident victim with amnesia and a woman who fell off a roof; Arkady bonds with a man who attempted suicide.

Mardi Gras proves hectic for the responders; a man impales his hand on a fence, while another is stabbed in the face; the search for armed robbers leads to a high-speed chase.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Mildred Muhammad, ex-wife of the infamous DC Sniper, reveals how the man she loved disintegrated into a monster; Melissa Moore interviews Lee Boyd Malvo in prison.

On June 12, 2016, Omar Mateen kills 49 people in an Orlando nightclub; Omar's first wife, Sitora Yusufiy, meets a man whose brother was killed in the nightclub attack.

Randy Hausner reveals how his brother terrorized the city of Phoenix in a killing spree; Randy meets with a shooting survivor and with the son of a man killed by his brother.

Melissa Moore, daughter of Keith Hunter Jesperson, tells her story as the daughter of a serial killer; Melissa meets a family member of one of her father's victims.

John Wayne Gacy's sister reveals intimate details of the killer, and returns to her childhood home in Chicago with her daughter.

Richard Ramirez's ex-sister-in-law and niece come to terms with the evil that existed in their family and meet a survivor of one of Richard's attacks.

Richard Beasley's daughter Tonya lives with the guilt of teaching her father how to post ads on Craigslist; Tonya meets a man whose father was one of Beasley's four victims.

A woman discusses how her childhood sweetheart turned into a murdering rapist; being a child of a serial killer.

Amber and Michelle Yates discuss being raised by a man who terrorized the city of Spokane, Wash.; in an effort to find healing, the Yates sisters meet with the sister of one of their father's victims.

In 1992, 19-year-old Fabienne Witherspoon tries to help a man who was down on his luck when he attacked her in her own home; she wages a physical and psychological war against the man who tries to kill her and helps police apprehend Tommy Lynn Sells.

Seventeen-year-old Lisa McVey Noland is abducted while biking home from her job working the night shift at a local Tampa donut shop.

In August of 1978, 14-year-old Lisa Gilbert and her 13-year-old brother, Randy, were attacked by a stranger in their newly built home in Lansing, Mich.

In January of 1981, 18-year-old Cheryl Bartlett Fann was walking home late at night with her fiancé Bud, when they were suddenly abducted and taken to an abandoned garage.

Tiffany recalls in her own words how she used her quick wit and drive to manipulate her would-be killer into unwittingly granting her a chance to escape his deadly clutches.

A fun night with her boyfriend turned into a nightmare for Holly Dunn, a junior at the University of Kentucky in 1997; somehow, Holly managed to escape her attacker by following railway tracks to a nearby house.

In 1989, 21-year-old Lyle and 18-year-old Erik Menendez walk into their parents' den and kill them; Erik shares details of the events of the week leading up to the murders and the motive behind the crime.

The trial takes a shocking turn when the defense claims Erik and Lyle Menendez killed their parents after years of sexual abuse; Erik gives his account of growing up in a "house of horrors."

Erik recalls his mother's decline in the years leading up to the murders and looks on in agony as his brother Lyle testifies, vividly describing the abuse at the hands of their father.

The first trial ends in a surprise verdict; Erik discusses the preparation for his second trial, his unlikely connection with O.J. Simpson, and why he alone speaks for both the brothers as a second jury weighs a sentence of life in prison or death.

In 1989, 21-year-old Lyle and 18-year-old Erik Menendez walk into their parents' den and kill them; Erik shares details of the events of the week leading up to the murders and the motive behind the crime.

The trial takes a shocking turn when the defense claims Erik and Lyle Menendez killed their parents after years of sexual abuse; Erik gives his account of growing up in a "house of horrors."

Erik recalls his mother's decline in the years leading up to the murders and looks on in agony as his brother Lyle testifies, vividly describing the abuse at the hands of their father.

The first trial ends in a surprise verdict; Erik discusses the preparation for his second trial, his unlikely connection with O.J. Simpson, and why he alone speaks for both the brothers as a second jury weighs a sentence of life in prison or death.

In August of 1978, 14-year-old Lisa Gilbert and her 13-year-old brother, Randy, were attacked by a stranger in their newly built home in Lansing, Mich.

In January of 1981, 18-year-old Cheryl Bartlett Fann was walking home late at night with her fiancé Bud, when they were suddenly abducted and taken to an abandoned garage.

Tiffany recalls in her own words how she used her quick wit and drive to manipulate her would-be killer into unwittingly granting her a chance to escape his deadly clutches.

A fun night with her boyfriend turned into a nightmare for Holly Dunn, a junior at the University of Kentucky in 1997; somehow, Holly managed to escape her attacker by following railway tracks to a nearby house.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Cardiologist Dr. Ernst von Schwarz, M.D. shows how to manage your blood pressure naturally and help protect your heart for life with My Best Heart.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Wounded Warrior Project is changing the way our nation cares for veterans and helping them thrive for a lifetime. Join Trace Adkins and Dan Nevins to learn about the journeys of four injured veterans and how no warrior is left behind.

A pair of powerboat racers who allegedly moved more illegal narcotics than just about anyone in the history of the U.S. War on Drugs.

Barry Mills found his calling as the leader of the white supremacist prison gang the Aryan Brotherhood.

The Cutt Boyz use violence to control the drug trade within the B.W. Cooper Housing Complex in New Orleans.

Pistol Pete and his underlings incorporated the gang Sex, Money, Murder in an effort to launder drug money and expanded their operations outside New York.

Virginia Hill, Arlyne Brickman and Karen Hill are mob ladies with looks that could kill and the connections to take out anyone in their way.

Philadelphia mob boss Nicky Scarfo's paranoia, volatility and treachery ultimately lead to his demise.

Heroin kingpin Frank Lucas dominated the Harlem drug market from 1968 to 1975, before being busted for conspiracy to distribute heroin and serving 5 year of his 70-year sentence.

Gun-for-hire Joe "Mad Dog" Sullivan tries to hide his criminal activities from his family, but an addiction to drugs, betrayal and murder would prove his undoing.

Tommy Pitera became one of the most violent men of all time in the 1980's; betrayal brought the mob killer to justice.

A ruthless gang called "Murder, Inc." carried out mob hits during the 1930s; Mob leaders formed The Syndicate, and as their enforcement arm, members of Murder, Inc. killed an estimated 1,000 people from coast to coast.

Frank Nitti joined Al Capone's criminal empire in 1920, rising quickly in the organization; in 1933, Frank caught his big break when Capone went to prison for tax evasion, and Nitti took over his criminal enterprise.

During the 1970's, Anthony Cassa became the under boss of the Lucchese family.

While the Boston underworld was in chaos in the 1970s, Whitey Bulger schemed and killed his way through the ranks to become the most famous gangster in Boston history as well as the the subject of the longest manhunt in U.S. history.

In the 1990s, three violent cartels battled for control of the Mexican drug world; one brutally ambitious Narco, known as El Chapo, rose above the rest to create one unified cartel, and become the most powerful criminal in Mexico's history.

While the Boston underworld was in chaos in the 1970s, Whitey Bulger schemed and killed his way through the ranks to become the most famous gangster in Boston history as well as the the subject of the longest manhunt in U.S. history.

In the 1990s, three violent cartels battled for control of the Mexican drug world; one brutally ambitious Narco, known as El Chapo, rose above the rest to create one unified cartel, and become the most powerful criminal in Mexico's history.

Frank Nitti joined Al Capone's criminal empire in 1920, rising quickly in the organization; in 1933, Frank caught his big break when Capone went to prison for tax evasion, and Nitti took over his criminal enterprise.

During the 1970's, Anthony Cassa became the under boss of the Lucchese family.

Paid programming.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Paid programming.

A young girl is turned into a sexual slave; A young man is brainwashed ; a young woman breaks out of a religious organization she was born into.

A young girl is abducted and raped by a serial killer; a man is trapped under the rubble from the Haitian earthquake; a woman is beaten and slashed with scissors by a neighbor.

A home invasion leaves a man fighting for his life; a boat capsizes; a woman faces a terrifying death locked in the trunk of her car.

Masked gunmen threaten to kill a woman's daughter if she doesn't rob the bank vault where she works; two teens in a sailboat are swept out to sea for six days.

Stephanie uses drugs to bond with her fellow inmates; Jaclin's clothing line brings pink flare and positivity to the inmates, but causes problems with the officers.

A gas scare occurs in the women's pod; a football kitty goes missing in 500, prompting a gang fight; a new inmate in 600 tests Matt.

Jaclin receives a target on her back when she attempts to help Stephanie switch rooms; Emmanuel finds trouble when he tries to break up a fight; a rumor about Andrew's sexuality puts him in harm's way.

Two participants struggle with the decision to leave the program early, while the others attempt to keep their wits as they finish the back half of their time in the Fulton County Jail.

Matt wrestles with the most devastating moment of his life; Alan gets a mysterious new cellmate; the inmates throw an unforgettable birthday party for Angele.

After an emotional breakdown, one participant is not sure he can continue in the program; he expands his meth investigation.

A participant gets removed from the program after intentionally breaking their cover with an inmate; Stephanie fears that Gabrielle will not keep a secret; Alan tries to buy meth.

Col. Adger races the clock to safely remove all the participants from the Fulton County Jail.

Newly elected sheriff Mark Lamb sends six volunteers into the Pinal County Detention Center on a mission to uncover valuable intelligence about the gangs, drugs and operational issues that plague his facility.

With three participants in the jail and two more on their way in, Sheriff Lamb's mission-based program is off to the races.

With all seven participants embedded in the facility, some struggle to maintain their distance from one another; one participant threatens to bring the whole program to an abrupt end.

As the participants begin to focus on their missions, some find early success while others are met with immediate interference; Sheriff Lamb is forced to make a tough decision.

Newly elected sheriff Mark Lamb sends six volunteers into the Pinal County Detention Center on a mission to uncover valuable intelligence about the gangs, drugs and operational issues that plague his facility.

With three participants in the jail and two more on their way in, Sheriff Lamb's mission-based program is off to the races.

With all seven participants embedded in the facility, some struggle to maintain their distance from one another; one participant threatens to bring the whole program to an abrupt end.

As the participants begin to focus on their missions, some find early success while others are met with immediate interference; Sheriff Lamb is forced to make a tough decision.

A participant gets removed from the program after intentionally breaking their cover with an inmate; Stephanie fears that Gabrielle will not keep a secret; Alan tries to buy meth.

Col. Adger races the clock to safely remove all the participants from the Fulton County Jail.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Wounded Warrior Project is changing the way our nation cares for veterans and helping them thrive for a lifetime. Join Trace Adkins and Dan Nevins to learn about the journeys of four injured veterans and how no warrior is left behind.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

A single mom is attacked by an old classmate after spurning his affections; a gold prospector survives five days in the Australian Outback; a woman is left for dead after being shot in a carjacking.

A woman survives three shotgun wounds to the head; a family is attacked by bees; a school library shooting rampage.

A woman is terrorized in her apartment; a man is attacked by a grizzly bear; a 16 year old girl is abducted at knife point.

A man is attacked by a grizzly bear in a remote forest area; a woman engages in a gun battle with three masked men who invade her home; a woman is assaulted by a man posing as a maintenance worker.

Commander DePaul pulls together a special group when INTERPOL informs him that a kidnapping and murder suspect has been tracked to the New York area.

A fugitive is wanted for second-degree rape of a young woman.

A tipster helps investigators capture a home-invasion suspect.

Agents must work quickly to catch an elusive fugitive before he leaves for Jamaica.

A robbery suspect escapes from the interrogation room; Detective Peppers believes that the key to finding the fugitive is to locate his girlfriend.

A previously deported felon is back in the States, and the team is on the lookout in Brooklyn.

The Task Force tries to apprehend a level 3 sex offender, wanted for questioning in the assault of a 7-year-old before he harms another child.

A former corrections officer and boxing coach is wanted for kidnapping and sexual assault.

When law enforcement need's to catch the most dangerous fugitives..they call the Manhunters.

A fugitive slashed her friend's face with a box cutter.

A fugitive hides out in the bustle and chaos of Chinatown.

A team of marshals hunts for a sexual predator in Fort Lauderdale, Fla., while Detective Lopez handles her own search in Spring Valley, N.Y.

A late-night house party turns deadly when a 19-year-old man is shot on the street.

Detectives investigate the stabbing of a young man in a convenience store.

A young man is shot dead in his front yard in broad daylight; a store clerk appears have had knowledge of the shooting before it happened; investigators use ballistic analysis, cell records and surveillance tape to find the killer.

A 15-year-old boy is shot to death on a neighborhood street.

Detectives respond to the scene of a family shooting; two adults and three children are found dead at the scene.

A family member's testimony provides key information in a case involving two brothers, one of whom died as a result of blunt trauma to the head.

A young man is shot dead in his front yard in broad daylight; a store clerk appears have had knowledge of the shooting before it happened; investigators use ballistic analysis, cell records and surveillance tape to find the killer.

A 15-year-old boy is shot to death on a neighborhood street.

Detectives respond to the scene of a family shooting; two adults and three children are found dead at the scene.

A family member's testimony provides key information in a case involving two brothers, one of whom died as a result of blunt trauma to the head.

A late-night house party turns deadly when a 19-year-old man is shot on the street.

Detectives investigate the stabbing of a young man in a convenience store.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity and reimburse lost funds-leading the way in protecting families every day.

Cardiologist Dr. Ernst von Schwarz, M.D. shows how to manage your blood pressure naturally and help protect your heart for life with My Best Heart.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

A mother is jammed into a snow-filled garbage can by her ex-husband; a woman struggles to escape a pile of bodies after an elevator malfunction; three men attack a bar owner as part of a gang initiation.

A store manager and his staff are shot by two killers; a young man has both his arms torn off in an accident; a young girl is kidnapped by a serial killer.

Two women fight for their lives when an attacker ambushes them on a mountain trail; two men survive 14 hours adrift at sea.

A man is taken hostage by Marxist rebels; two girls are abducted while walking home from school.

A banker is beaten to death in his bed; a man with a guilty conscience helps police.

After U.S. Navy sailor disappears in 68, the Navy claims he went AWOL; but his sister works for over 30 years to prove that he was really killed; DNA from a cigarette butt helps detectives to unravel a 20-year-old case of rape and murder.

The 1988 rape and murder of a California woman; a jailhouse snitch.

Detectives are baffled when two young girls are raped, murdered, and dumped in an abandoned house in Akron, Ohio; a 26-year-old mother of three disappears on Christmas Eve in 1995, but the missing person case goes cold when police can find few clues.

A 25-year-old woman is killed in a hotel room in 1978; a 25-year-old woman is shot to death during a jewelry-store robbery in 1980.

A woman is found murdered in her mobile home; an Oregon man is shot dead.

Fingerprints lifted from two beer bottles help a California detective track down a prostitute's killer; the investigations of a woman's murder and the death of a man killed in a car crash use DNA analysis.

Guns found dumped in a pond help police to solve the 15-year-old murder of Detroit cab company owner; the rape and murder of an Atlanta TV station receptionist goes cold for 20 years before DNA links a man to the crime.

The murder of two grandparents tears a family apart; two decades later, a detective races to solve the cold case that has haunted him since he was a child.

Two unsolved murders of loved ones plague a family; detectives uncover a hidden crime scene that may help solve the 13-year-old cold case.

Near what's known as the hanging tree, the mutilated body of Timothy Coggins is found in late 1983; the investigation is thwarted and the case freezes for over 30 years, until a newly elected sheriff vows to bring the killers to justice.

Twenty-three-year-old teacher Irene Garza is a former beauty queen and devout Catholic who vanishes the evening before Easter; residents of her close-knit border town do their best to locate her, but her body is found floating in a drainage canal.

The murder of two grandparents tears a family apart; two decades later, a detective races to solve the cold case that has haunted him since he was a child.

Two unsolved murders of loved ones plague a family; detectives uncover a hidden crime scene that may help solve the 13-year-old cold case.

Near what's known as the hanging tree, the mutilated body of Timothy Coggins is found in late 1983; the investigation is thwarted and the case freezes for over 30 years, until a newly elected sheriff vows to bring the killers to justice.

Twenty-three-year-old teacher Irene Garza is a former beauty queen and devout Catholic who vanishes the evening before Easter; residents of her close-knit border town do their best to locate her, but her body is found floating in a drainage canal.

Fingerprints lifted from two beer bottles help a California detective track down a prostitute's killer; the investigations of a woman's murder and the death of a man killed in a car crash use DNA analysis.

Guns found dumped in a pond help police to solve the 15-year-old murder of Detroit cab company owner; the rape and murder of an Atlanta TV station receptionist goes cold for 20 years before DNA links a man to the crime.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity and reimburse lost funds-leading the way in protecting families every day.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Cardiologist Dr. Ernst von Schwarz, M.D. shows how to manage your blood pressure naturally and help protect your heart for life with My Best Heart.

A soldier tries to kill another soldier; a hunter in the mountains; killer still in the house.

A woman is abducted by another woman who tries to steal her unborn baby; a geologist is attacked by a bear; a woman is shot and held hostage.

A young woman and her friend are shot execution style; two strangers are caught in a deadly train collision; a young girl escapes her abductors only to be assaulted my another man.

A couple wake up to find their home surrounded by a cloud of chlorine gas; a couple are beaten by a mugger; a woman is attacked and left for dead.

Travel blogger Carla Stefaniak goes to Costa Rica to celebrate her 36th birthday, but when she is to arrive back home in Miami, her awaiting loved ones realize she never got on the plane; Carla's friends and family recount the search to find her.

Residents of small-town Robeson, Penn. were stunned when 23-year-old Ashley Kline went missing on New Year's Eve; the gruesome truth rocked the community.

Rising social media influencer Alexis Murphy is on her way to a hair appointment, but never arrivea; her worried loved-ones know something was wrong; there's a crack in the case when gas station surveillance video reveals something truly bizarre.

When mother-of-two Deanna Cook misses her daily call to her mom, her family worries that Deanna's stalker may have something to do with it; her family's 911 call falls on deaf ears, and they are forced to make a discovery.

After 26-year-old rideshare driver Carolina Vargas drives a nice stranger to his hotel, she has no qualms about giving him another ride; her trusting gesture turns tragic and Carolina is forced to fight for her life.

Successful real estate agent Beverly Carter went missing after showing a home to potential buyers; later that evening, Beverly began texting her husband; how family and friends knew that Beverly was in danger.

After being bombarded by requests for money, a lottery winner seeks the help of his best friend to manage his money.

A hidden attraction turns to jealousy setting off a chain reaction of anger and revenge between two friends.

After two friends buy a house together and sign an insurance policy, one of them decides that two is a crowd.

A ruthless competition between a retired rodeo champion and a young, aspiring cowboy.

A popular girl takes a new student under her wing while at a school for at-risk youth in Illinois.

Two Pennsylvania girls grow up as best friends, but things get rocky when they become lovers and a third girl befriends them.

After two friends buy a house together and sign an insurance policy, one of them decides that two is a crowd.

A ruthless competition between a retired rodeo champion and a young, aspiring cowboy.

A popular girl takes a new student under her wing while at a school for at-risk youth in Illinois.

Two Pennsylvania girls grow up as best friends, but things get rocky when they become lovers and a third girl befriends them.

After being bombarded by requests for money, a lottery winner seeks the help of his best friend to manage his money.

A hidden attraction turns to jealousy setting off a chain reaction of anger and revenge between two friends.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Discover the hidden story of OmegaXL with John Walsh. He dives deep into the groundbreaking supplement that promises hope and relief for millions battling joint pain and inflammation.

Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity and reimburse lost funds-leading the way in protecting families every day.

A pregnant woman is attacked by a woman who wants her baby; a couple must cling to the rafters of their home during Hurricane Ike; a woman fends off an attacker.

An 11-year is left orphaned and to drown on a sinking yacht; a worker is buried alive when an earthquake strikes; a truck driver's cab is invaded by armed men.

A woman plays dead to escape her abductor; an endurance athlete falls 60 feet in a remote canyon; a couple risk their lives to protect their children.

A missionary working in Haiti is shot and held for ransom by a gang; a man goes into a flooding underground cavity to rescue two co-workers; a man viciously assaults his wife.

An EMS officer shares emotional news with his partner; firefighters respond to a call about a vehicle ablaze at a gas station.

Fire Department and Emergency Medical Service workers encounter unnerving cases on the night shift.

EMT first responders help a man stabbed in the head, a screaming woman who stumbles onto a New Orleans levee, and a car accident that results in an overturned vehicle with a victim trapped inside.

The heavy response to an officer's shooting leaves emergency medical technicians in an agonizing wait for police backup; firefighters work to extinguish a flaming car.

The team faces a slew of dramatic nightshift calls including a pregnant woman who has been assaulted, a 4-year-old boy with abdominal pain, a gunshot victim, and a potentially devastating car accident involving the St. Charles trolley.

An EMS captain juggles the challenges and rewards of being a wife and mother of twins with the never-ending drama of the job; the shift includes a bloody car accident, a major apartment fire and multiple victims struggling to breathe.

Saturday night fever grips New Orleans as the EMTs respond to a gruesome stabbing, an assault with a beer bottle, a car accident involving an infant, and a combative patient who tries biting the hands that treat him.

Revisiting notable moments experienced by New Orleans police officers, firefighters and emergency medical service workers profiled in the series "Nightwatch"; includes never-before-seen footage and updates.