A woman's disappearance tears her young children apart; a sting operation catches an unlikely villain.

Detectives in Washington D.C. discover a puzzling connection between two women who disappeared two decades apart; an investigation reveals a sinister secret hidden along one of the busiest stretches of interstate in the country.

A pilot flees following a plane crash, becomes a fugitive and lives a double life for decades.

San Diego detectives investigate the deaths of a young woman and her 10-month-old child.

A Tennessee resident is murdered in her bedroom; investigators have little evidence and struggle to find answers.

A woman finds her way back to her family after being kidnapped 30 years earlier.

A charismatic pastor's dark secrets come to light after his wife's mysterious death; the case shattered a congregation and exposed the cost of their unshakable trust.

A man claims his young wife killed herself after she is found dead in her burning home.

A Connecticut bank executive is targeted by criminals who force him to rob his own bank.

When a young woman is found nearly murdered in her apartment, officials wonder if it is connected to the disappearance of a young woman in nearby Denver weeks earlier.

When Tom Foley becomes the top suspect in his wife's murder, he spends the next two years trying to prove his innocence.

When a San Antonio man shoots his wife, he claims to have shot her after mistaking her for an intruder.

A woman finds her way back to her family after being kidnapped 30 years earlier.

A charismatic pastor's dark secrets come to light after his wife's mysterious death; the case shattered a congregation and exposed the cost of their unshakable trust.

A man claims his young wife killed herself after she is found dead in her burning home.

A Connecticut bank executive is targeted by criminals who force him to rob his own bank.

When a young woman is found nearly murdered in her apartment, officials wonder if it is connected to the disappearance of a young woman in nearby Denver weeks earlier.

When Tom Foley becomes the top suspect in his wife's murder, he spends the next two years trying to prove his innocence.

When a San Antonio man shoots his wife, he claims to have shot her after mistaking her for an intruder.

A woman finds her way back to her family after being kidnapped 30 years earlier.

A charismatic pastor's dark secrets come to light after his wife's mysterious death; the case shattered a congregation and exposed the cost of their unshakable trust.

A man claims his young wife killed herself after she is found dead in her burning home.

A Connecticut bank executive is targeted by criminals who force him to rob his own bank.

When a young woman is found nearly murdered in her apartment, officials wonder if it is connected to the disappearance of a young woman in nearby Denver weeks earlier.

When Tom Foley becomes the top suspect in his wife's murder, he spends the next two years trying to prove his innocence.

When a San Antonio man shoots his wife, he claims to have shot her after mistaking her for an intruder.

A woman disappears while on her morning jog.

The investigation into the disappearance of a young mother in the Pacific Northwest leads authorities to an estranged husband, an ex-boyfriend and a suspicious neighbor.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

The children of an Oklahoma pastor survive the robbery that took their parents' lives and observe the trials of those accused of committing the crime.

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

The investigation into the death of a college student leads authorities to her theater group and a new crime that exposes the truth.

Police investigate whether the shooting of a young woman in Utah was an accident or something more sinister.

A woman disappears while on her morning jog.

The investigation into the disappearance of a young mother in the Pacific Northwest leads authorities to an estranged husband, an ex-boyfriend and a suspicious neighbor.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

The children of an Oklahoma pastor survive the robbery that took their parents' lives and observe the trials of those accused of committing the crime.

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

The investigation into the death of a college student leads authorities to her theater group and a new crime that exposes the truth.

Police investigate whether the shooting of a young woman in Utah was an accident or something more sinister.

A woman disappears while on her morning jog.

The investigation into the disappearance of a young mother in the Pacific Northwest leads authorities to an estranged husband, an ex-boyfriend and a suspicious neighbor.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

The children of an Oklahoma pastor survive the robbery that took their parents' lives and observe the trials of those accused of committing the crime.

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

The investigation into the death of a college student leads authorities to her theater group and a new crime that exposes the truth.

Police investigate whether the shooting of a young woman in Utah was an accident or something more sinister.

Kidnappers target a 24-year-old American woman living in South America.

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

The disappearance of two teenagers brings together two families in a common journey for justice; what California is doing to prevent a similar tragedy.

The disappearance of a 20-year-old honors student causes her family to fear the worst; decades later, the mystery is solved.

When a California nursing student disappears during her hospital shift, her family works to locate her.

When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.

Kidnappers target a 24-year-old American woman living in South America.

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

The disappearance of two teenagers brings together two families in a common journey for justice; what California is doing to prevent a similar tragedy.

The disappearance of a 20-year-old honors student causes her family to fear the worst; decades later, the mystery is solved.

When a California nursing student disappears during her hospital shift, her family works to locate her.

When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.

Kidnappers target a 24-year-old American woman living in South America.

A man dies in a shooting incident after tempers flare in a confrontation in Montana's Glacier National Park.

The disappearance of two teenagers brings together two families in a common journey for justice; what California is doing to prevent a similar tragedy.

The disappearance of a 20-year-old honors student causes her family to fear the worst; decades later, the mystery is solved.

When a California nursing student disappears during her hospital shift, her family works to locate her.

When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.

A teen driver discusses what happened the night she was involved in a car crash that left a pregnant woman and her son dead; authorities try to determine if the incident was an accident or intentional.

The investigation into the murder of a pregnant woman leads to a former professional football player and several women associated with him.

When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

When a Pennsylvania man who was convinced his messy divorce put a target on his back is found stabbed to death, his friends and family realize he was right all along in predicting his own gruesome murder.

A look back at the 1997 murder of fashion designer Gianni Versace, including interviews with his long-time partner Antonio D'Amico, model Beverly Johnson, fashion journalist Hal Rubenstein, author Maureen Orth and more.

The security cameras at the home of a wife and mother of three's home may hold the key to solving the mystery of her disappearance.

When the death of a 59-year-old father is found to be unrelated to his ongoing health issues, police begin an investigation and question some of his family members.

A teen driver discusses what happened the night she was involved in a car crash that left a pregnant woman and her son dead; authorities try to determine if the incident was an accident or intentional.

The investigation into the murder of a pregnant woman leads to a former professional football player and several women associated with him.

When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

When a Pennsylvania man who was convinced his messy divorce put a target on his back is found stabbed to death, his friends and family realize he was right all along in predicting his own gruesome murder.

A look back at the 1997 murder of fashion designer Gianni Versace, including interviews with his long-time partner Antonio D'Amico, model Beverly Johnson, fashion journalist Hal Rubenstein, author Maureen Orth and more.

The security cameras at the home of a wife and mother of three's home may hold the key to solving the mystery of her disappearance.

When the death of a 59-year-old father is found to be unrelated to his ongoing health issues, police begin an investigation and question some of his family members.

A teen driver discusses what happened the night she was involved in a car crash that left a pregnant woman and her son dead; authorities try to determine if the incident was an accident or intentional.

The investigation into the murder of a pregnant woman leads to a former professional football player and several women associated with him.

When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

When a Pennsylvania man who was convinced his messy divorce put a target on his back is found stabbed to death, his friends and family realize he was right all along in predicting his own gruesome murder.

A look back at the 1997 murder of fashion designer Gianni Versace, including interviews with his long-time partner Antonio D'Amico, model Beverly Johnson, fashion journalist Hal Rubenstein, author Maureen Orth and more.

The security cameras at the home of a wife and mother of three's home may hold the key to solving the mystery of her disappearance.

When the death of a 59-year-old father is found to be unrelated to his ongoing health issues, police begin an investigation and question some of his family members.

After a sudden marriage creates tension between two families, a murder exposes secrets, lies and a long-buried mystery.

Co-lead investigator in the Steven Avery case Tom Fassbender discusses the case and allegations investigators coerced Avery's nephew, Brendan Dassey, into making a false confession.

Interviews with former journalist Amanda Lindhout and the undercover agent who spearheaded the international manhunt for the individual responsible for her 2008 kidnapping and torture in Somalia.

As a murder victim's sisters dedicate themselves to finding the killer, an unexpected source turns the case upside down.

When a model and up-and-coming YouTube celebrity turns up dead, police question her husband in the hope he can shed some light on the situation.

When Dr. Teresa Sievers is found murdered in her kitchen, detectives struggle to find any leads until an unexpected tip changes everything; the woman who helped investigators speaks out.

The deadly 2020 shooting at U.S. District Court Judge Esther Salas' home, which killed her son and critically injured her husband.

After a sudden marriage creates tension between two families, a murder exposes secrets, lies and a long-buried mystery.

Co-lead investigator in the Steven Avery case Tom Fassbender discusses the case and allegations investigators coerced Avery's nephew, Brendan Dassey, into making a false confession.

Interviews with former journalist Amanda Lindhout and the undercover agent who spearheaded the international manhunt for the individual responsible for her 2008 kidnapping and torture in Somalia.

As a murder victim's sisters dedicate themselves to finding the killer, an unexpected source turns the case upside down.

When a model and up-and-coming YouTube celebrity turns up dead, police question her husband in the hope he can shed some light on the situation.

When Dr. Teresa Sievers is found murdered in her kitchen, detectives struggle to find any leads until an unexpected tip changes everything; the woman who helped investigators speaks out.

The deadly 2020 shooting at U.S. District Court Judge Esther Salas' home, which killed her son and critically injured her husband.

After a sudden marriage creates tension between two families, a murder exposes secrets, lies and a long-buried mystery.

Co-lead investigator in the Steven Avery case Tom Fassbender discusses the case and allegations investigators coerced Avery's nephew, Brendan Dassey, into making a false confession.

Interviews with former journalist Amanda Lindhout and the undercover agent who spearheaded the international manhunt for the individual responsible for her 2008 kidnapping and torture in Somalia.

As a murder victim's sisters dedicate themselves to finding the killer, an unexpected source turns the case upside down.

When a model and up-and-coming YouTube celebrity turns up dead, police question her husband in the hope he can shed some light on the situation.

When Dr. Teresa Sievers is found murdered in her kitchen, detectives struggle to find any leads until an unexpected tip changes everything; the woman who helped investigators speaks out.

The deadly 2020 shooting at U.S. District Court Judge Esther Salas' home, which killed her son and critically injured her husband.

Two tenacious sisters determined to fulfill a promise investigate the mystery surrounding their mother's death.

The murder of a wealthy hotel heir ignites a feud between his wife and stepdaughter.

When two tragic deaths occur within one week of each other in a wealthy city in California, families begin to wonder what happened inside a beachfront mansion.

The family members of murdered California entrepreneur Chris Smith speak out; interviews with investigators, Smith's former colleague, and prosecutor Matt Murphy.

When a pathologist is found murdered in his home, the investigation reveals simmering jealousies and a love triangle.

The question of a surgeon's whereabouts remains unanswered for five years after he disappears while on vacation in the Greek Islands with his wife, leaving behind financial ruin and mounting malpractice suits from patients in the U.S.

Two Tulsa brothers fight for more than 20 years to prove their innocence after they were wrongfully convicted for separate murders.

Two tenacious sisters determined to fulfill a promise investigate the mystery surrounding their mother's death.

The murder of a wealthy hotel heir ignites a feud between his wife and stepdaughter.

When two tragic deaths occur within one week of each other in a wealthy city in California, families begin to wonder what happened inside a beachfront mansion.

The family members of murdered California entrepreneur Chris Smith speak out; interviews with investigators, Smith's former colleague, and prosecutor Matt Murphy.

When a pathologist is found murdered in his home, the investigation reveals simmering jealousies and a love triangle.

The question of a surgeon's whereabouts remains unanswered for five years after he disappears while on vacation in the Greek Islands with his wife, leaving behind financial ruin and mounting malpractice suits from patients in the U.S.

Two Tulsa brothers fight for more than 20 years to prove their innocence after they were wrongfully convicted for separate murders.

Two tenacious sisters determined to fulfill a promise investigate the mystery surrounding their mother's death.

The murder of a wealthy hotel heir ignites a feud between his wife and stepdaughter.

When two tragic deaths occur within one week of each other in a wealthy city in California, families begin to wonder what happened inside a beachfront mansion.

The family members of murdered California entrepreneur Chris Smith speak out; interviews with investigators, Smith's former colleague, and prosecutor Matt Murphy.

When a pathologist is found murdered in his home, the investigation reveals simmering jealousies and a love triangle.

The question of a surgeon's whereabouts remains unanswered for five years after he disappears while on vacation in the Greek Islands with his wife, leaving behind financial ruin and mounting malpractice suits from patients in the U.S.

Two Tulsa brothers fight for more than 20 years to prove their innocence after they were wrongfully convicted for separate murders.

Investigators find an unlikely suspect in a woman's death; actor Ricky Gervais talks about his life, fame and hosting the Golden Globe Awards.

A teenager disappears from her friend's house before being found dead.

Authorities become suspicious when a pastor loses a second wife in an accident.

When a determined investigator works with a prosecutor in hope of solving a 20-year-old murder case, a dark secret is uncovered.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if Ron's interest in an alternative religion is connected to his murder.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if Ron's interest in an alternative religion is connected to his murder.

The drug-related death of a 17-year-old girl sheds light on a new class of synthetic drugs that has law enforcement agencies on alert.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

Investigators find an unlikely suspect in a woman's death; actor Ricky Gervais talks about his life, fame and hosting the Golden Globe Awards.

A teenager disappears from her friend's house before being found dead.

Authorities become suspicious when a pastor loses a second wife in an accident.

When a determined investigator works with a prosecutor in hope of solving a 20-year-old murder case, a dark secret is uncovered.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if Ron's interest in an alternative religion is connected to his murder.

The drug-related death of a 17-year-old girl sheds light on a new class of synthetic drugs that has law enforcement agencies on alert.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

Investigators find an unlikely suspect in a woman's death; actor Ricky Gervais talks about his life, fame and hosting the Golden Globe Awards.

A teenager disappears from her friend's house before being found dead.

Authorities become suspicious when a pastor loses a second wife in an accident.

When a determined investigator works with a prosecutor in hope of solving a 20-year-old murder case, a dark secret is uncovered.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if Ron's interest in an alternative religion is connected to his murder.

The drug-related death of a 17-year-old girl sheds light on a new class of synthetic drugs that has law enforcement agencies on alert.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

After teenagers Rachel Shoaf and Sheila Eddy are convicted of murdering their 16-year-old friend, Skylar Neese, Skylar's parents discuss the night she disappeared; Rachel Shoaf's therapist, Patricia Bailey, shares her thoughts.

The investigation into 18-year-old Hannah Hill's disappearance takes unexpected turns.

An intruder breaks into a lawyer's home, murders his wife and blinds him; in a search for the truth, the lawyer questions his troubled son as a possible suspect.

Investigators search for a New Mexico mechanic who has been missing for eight years.

A bombshell more than a decade after the crime reignites the investigation into the death of Sarah Pagel's mother, who was killed when Sarah was seven.

A look at the growing homeless epidemic in America, including a tour of Skid Row, the nation's epicenter of homelessness; residents of the San Fernando Valley and Venice discuss the influx of homeless people into their neighborhoods.

A look at the crimes committed by Charles Manson and his followers in 1969, including archival footage and interviews with those close to the events.

After teenagers Rachel Shoaf and Sheila Eddy are convicted of murdering their 16-year-old friend, Skylar Neese, Skylar's parents discuss the night she disappeared; Rachel Shoaf's therapist, Patricia Bailey, shares her thoughts.

The investigation into 18-year-old Hannah Hill's disappearance takes unexpected turns.

An intruder breaks into a lawyer's home, murders his wife and blinds him; in a search for the truth, the lawyer questions his troubled son as a possible suspect.

Investigators search for a New Mexico mechanic who has been missing for eight years.

A bombshell more than a decade after the crime reignites the investigation into the death of Sarah Pagel's mother, who was killed when Sarah was seven.

A look at the growing homeless epidemic in America, including a tour of Skid Row, the nation's epicenter of homelessness; residents of the San Fernando Valley and Venice discuss the influx of homeless people into their neighborhoods.

A look at the crimes committed by Charles Manson and his followers in 1969, including archival footage and interviews with those close to the events.

After teenagers Rachel Shoaf and Sheila Eddy are convicted of murdering their 16-year-old friend, Skylar Neese, Skylar's parents discuss the night she disappeared; Rachel Shoaf's therapist, Patricia Bailey, shares her thoughts.

The investigation into 18-year-old Hannah Hill's disappearance takes unexpected turns.

An intruder breaks into a lawyer's home, murders his wife and blinds him; in a search for the truth, the lawyer questions his troubled son as a possible suspect.

Investigators search for a New Mexico mechanic who has been missing for eight years.

A bombshell more than a decade after the crime reignites the investigation into the death of Sarah Pagel's mother, who was killed when Sarah was seven.

A look at the growing homeless epidemic in America, including a tour of Skid Row, the nation's epicenter of homelessness; residents of the San Fernando Valley and Venice discuss the influx of homeless people into their neighborhoods.

A look at the crimes committed by Charles Manson and his followers in 1969, including archival footage and interviews with those close to the events.

Detectives take another look at a 20-year-old murder and discover the evidence points to one of their own.

Investigators are suspicious when a wealthy former radio DJ mysteriously disappears from his yacht in the Pacific Ocean.

A Jacksonville, Fla., firefighter discovers a disturbingly violent scene in his darkened bedroom on a Halloween weekend.

Two double homicides committed five years apart lead police to suspect a serial killer is responsible.

The survivor of a horrible attack is convinced police have the wrong suspect.

A mother's death initially appears to be a suicide, but when investigators start to interview those closest to her, an evil plot emerges.

When 18-year-old Anjelica "AJ" Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal; featuring interviews with AJ's stepfather Wesley Hadsell and two of her friends.

Detectives take another look at a 20-year-old murder and discover the evidence points to one of their own.

Investigators are suspicious when a wealthy former radio DJ mysteriously disappears from his yacht in the Pacific Ocean.

A Jacksonville, Fla., firefighter discovers a disturbingly violent scene in his darkened bedroom on a Halloween weekend.

Two double homicides committed five years apart lead police to suspect a serial killer is responsible.

The survivor of a horrible attack is convinced police have the wrong suspect.

A mother's death initially appears to be a suicide, but when investigators start to interview those closest to her, an evil plot emerges.

When 18-year-old Anjelica "AJ" Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal; featuring interviews with AJ's stepfather Wesley Hadsell and two of her friends.

Detectives take another look at a 20-year-old murder and discover the evidence points to one of their own.

Investigators are suspicious when a wealthy former radio DJ mysteriously disappears from his yacht in the Pacific Ocean.

A Jacksonville, Fla., firefighter discovers a disturbingly violent scene in his darkened bedroom on a Halloween weekend.

Two double homicides committed five years apart lead police to suspect a serial killer is responsible.

The survivor of a horrible attack is convinced police have the wrong suspect.

A mother's death initially appears to be a suicide, but when investigators start to interview those closest to her, an evil plot emerges.

When 18-year-old Anjelica "AJ" Hadsell disappears, the investigation into her inner circle reveals a sinister betrayal; featuring interviews with AJ's stepfather Wesley Hadsell and two of her friends.

Officials identify a man's remains more than 20 years after his mysterious disappearance.

The trial and murder conviction of Jodi Arias and the salacious relationship that ended in tragedy.

A woman comes forward with the truth about the deaths of three other women, solving a 17-year-old mystery; interviews with two people at the center of the case.

When a dog trainer with celebrity clientele disappears, investigators track down a suspect with the help of two witnesses.

After being severely beaten in her own home, a high school girl goes under hypnosis to try to identify her attacker.

A couple's anniversary celebration ends in murder during what appears to have been a home invasion, but investigators believe the suspect might be connected to the victim.

A popular high school student is found murdered in her bed; two students help police solve the case.

Officials identify a man's remains more than 20 years after his mysterious disappearance.

The trial and murder conviction of Jodi Arias and the salacious relationship that ended in tragedy.

A woman comes forward with the truth about the deaths of three other women, solving a 17-year-old mystery; interviews with two people at the center of the case.

When a dog trainer with celebrity clientele disappears, investigators track down a suspect with the help of two witnesses.

After being severely beaten in her own home, a high school girl goes under hypnosis to try to identify her attacker.