In Deep
1 June 2026In the story of a Los Angeles kidnapping, ransom and murder ring, retired scientists use sonar equipment to locate victims at the bottom of a reservoir.
Three sex workers are murdered and left along a river; a serial killer was on the loose and for years the perp was never identified.
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In the story of a Los Angeles kidnapping, ransom and murder ring, retired scientists use sonar equipment to locate victims at the bottom of a reservoir.
When an 18-year-old girl is abducted while talking on a pay phone, forensic evidence found on her clothing points police in the direction of a suspect who shockingly confesses that he didn't act alone.
Patients at the VA Hospital in Clarksburg, W.Va., keep dying after experiencing shockingly low blood sugar levels; an investigation into their deaths reveals an overnight nurse was injecting patients with lethal doses of insulin.
When a 23-year-old Marine dies in his bedroom, doctors initially believe a heart attack is to blame; when arsenic is found in his organs, his wife is charged with murder; a sharp attorney and toxicological testing uncover the truth.
The body of a 24-year-old criminology student is found wrapped in a blanket alongside a desolate road in Brooklyn, N.Y.; police discover that the bouncer at a bar is her killer.
An extremely successful California career woman keeps falling ill and doctors can't determine why, then after she dies they still have no explanation until they find a key figure in her life has been lying about his past.
Patients at the VA Hospital in Clarksburg, W.Va., keep dying after experiencing shockingly low blood sugar levels; an investigation into their deaths reveals an overnight nurse was injecting patients with lethal doses of insulin.
In the story of a Los Angeles kidnapping, ransom and murder ring, retired scientists use sonar equipment to locate victims at the bottom of a reservoir.
When an 18-year-old girl is abducted while talking on a pay phone, forensic evidence found on her clothing points police in the direction of a suspect who shockingly confesses that he didn't act alone.
A young single mother is abducted from a gas station and is later found stabbed to death near an oil field; the detectives use shoe and tire impressions to weed out numerous suspects.
When a 23-year-old Marine dies in his bedroom, doctors initially believe a heart attack is to blame; when arsenic is found in his organs, his wife is charged with murder; a sharp attorney and toxicological testing uncover the truth.
The body of a 24-year-old criminology student is found wrapped in a blanket alongside a desolate road in Brooklyn, N.Y.; police discover that the bouncer at a bar is her killer.
When a 79-year-old woman is found shot to death in her home, investigators initially suspect her husband or a violent neighbor; shell casings recovered at the scene and a high-tech database reveal an unlikely killer.
A 70-year-old retired veteran is found dead on his boat after a bad sea storm; detectives discover he was killed during an attempted robbery after winning $400 in keno.
An extremely successful California career woman keeps falling ill and doctors can't determine why, then after she dies they still have no explanation until they find a key figure in her life has been lying about his past.
A Texan who vows to live a reformed life after being released from prison is subsequently convicted of murder, despite insisting his innocence, so he uses forensic science from behind bars to try to prove his case.
Three Indiana construction workers are found shot on a work site.
A young Texas teenager and her boyfriend are brutally attacked on Valentine's Day; she is found dead while her boyfriend escapes; the case goes cold for nearly 50 years before a new forensic test exposes a family man with a dark secret.
Numerous suspects emerge after someone starts targeting law enforcement officers in a peaceful Texas county.
An Illinois mother and her two young children are brutally murdered in their beds, and lurid threats are spray painted all over the walls of the crime scene.
A massive explosion claims the life of a California farmhand, and authorities think it's an accidental death, but analysis of debris shows it's a bomb; investigators have few suspects until they hear ominous rumors about a jealous rage.
When a beautiful college student is stabbed to death in her Knoxville apartment, suspicion immediately falls on her roommate; a bloody shoe print left by the killer exposes a murderer with no history of violence and no reason to kill.
A young woman is found murdered on the side of a rural driveway; the victim had been out with friends; the investigation would remain unsolved; until three decades later, when forensics from an unrelated crime helps break the case.
A hearing impaired 77-year-old on a road trip is shot to death because the man cannot hear his assailant's demands; random murders are among the hardest crimes to solve, but investigators are determined to bring this case to justice.
When a house fire kills the only doctor in a small town, an arson investigation leads to the son of the doctor's nurse; the prosecutor worries this might have been a miscarriage of justice.
He is a sex offender and a murderer who attacks in a terrifying rage; this predator manages to evade capture for years, but he leaves evidence behind, his palm print; detectives are determined to put a face to the print.
Three sex workers are murdered and left along a river; a serial killer was on the loose and for years the perp was never identified.
A religious woman is shot execution style in the suburbs of Michigan; surveillance video reveals it was a trio of killers; eventually, detectives get a break: a handwritten note.
A wounded woman calls 911; her husband, who wants a divorce, gets a hard look from police, but he has an airtight alibi during the murder; forensic science of ballistics draws a direct connection.
A murder victim's final moments are caught on tape; the crime scene looks like a clear robbery-murder; text evidence at first points to a jilted lover, but police identify a second suspect with a motive.
A navy lieutenant is murdered while deployed out to sea; arsenic poisoning is the cause of death; investigators discover he had more than his fair share of enemies, but it takes years before investigators discover what really happened to him.
A building manager finds the lifeless body of a young woman in the bathtub; when questioned, an ex-con living downstairs lies to police; the lies do not prove murder and the case goes cold, then a new forensic tool examines the evidence.
A 20-year-old woman sets out on her bike and never returns; her body is found a few miles from her house with a gunshot wound to the head; years go by without any evidence or leads, until new investigators and technology breaks the case.
A single mom vanishes without a trace; foul play is confirmed after a truck toolbox opens with her body inside; homicide detectives investigate men she matched on dating sites, men from work, and a lover with a violent past.
Father and teacher are found hanging naked from a tree with the letters F-E-D on his chest; with barely any evidence to work with, investigators turn to these letters for answers.
The murder of teacher's aide leaves a hole in the heart of her small community; as rumors spread about suspects, the actual perpetrator slips further away.
A Texan who vows to live a reformed life after being released from prison is subsequently convicted of murder, despite insisting his innocence, so he uses forensic science from behind bars to try to prove his case.
He is a sex offender and a murderer who attacks in a terrifying rage; this predator manages to evade capture for years, but he leaves evidence behind, his palm print; detectives are determined to put a face to the print.
Three sex workers are murdered and left along a river; a serial killer was on the loose and for years the perp was never identified.
Three Indiana construction workers are found shot on a work site.
A young Texas teenager and her boyfriend are brutally attacked on Valentine's Day; she is found dead while her boyfriend escapes; the case goes cold for nearly 50 years before a new forensic test exposes a family man with a dark secret.
Numerous suspects emerge after someone starts targeting law enforcement officers in a peaceful Texas county.
A young woman is found murdered on the side of a rural driveway; the victim had been out with friends; the investigation would remain unsolved; until three decades later, when forensics from an unrelated crime helps break the case.
When a house fire kills the only doctor in a small town, an arson investigation leads to the son of the doctor's nurse; the prosecutor worries this might have been a miscarriage of justice.
When a beautiful college student is stabbed to death in her Knoxville apartment, suspicion immediately falls on her roommate; a bloody shoe print left by the killer exposes a murderer with no history of violence and no reason to kill.
A hearing impaired 77-year-old on a road trip is shot to death because the man cannot hear his assailant's demands; random murders are among the hardest crimes to solve, but investigators are determined to bring this case to justice.
An Illinois mother and her two young children are brutally murdered in their beds, and lurid threats are spray painted all over the walls of the crime scene.
A massive explosion claims the life of a California farmhand, and authorities think it's an accidental death, but analysis of debris shows it's a bomb; investigators have few suspects until they hear ominous rumors about a jealous rage.
When a 79-year-old woman is found shot to death in her home, investigators initially suspect her husband or a violent neighbor; shell casings recovered at the scene and a high-tech database reveal an unlikely killer.
A young single mother is abducted from a gas station and is later found stabbed to death near an oil field; the detectives use shoe and tire impressions to weed out numerous suspects.
A navy lieutenant is murdered while deployed out to sea; arsenic poisoning is the cause of death; investigators discover he had more than his fair share of enemies, but it takes years before investigators discover what really happened to him.
A 70-year-old retired veteran is found dead on his boat after a bad sea storm; detectives discover he was killed during an attempted robbery after winning $400 in keno.
A 20-year-old woman sets out on her bike and never returns; her body is found a few miles from her house with a gunshot wound to the head; years go by without any evidence or leads, until new investigators and technology breaks the case.
Father and teacher are found hanging naked from a tree with the letters F-E-D on his chest; with barely any evidence to work with, investigators turn to these letters for answers.
The murder of teacher's aide leaves a hole in the heart of her small community; as rumors spread about suspects, the actual perpetrator slips further away.
A single mom vanishes without a trace; foul play is confirmed after a truck toolbox opens with her body inside; homicide detectives investigate men she matched on dating sites, men from work, and a lover with a violent past.
A building manager finds the lifeless body of a young woman in the bathtub; when questioned, an ex-con living downstairs lies to police; the lies do not prove murder and the case goes cold, then a new forensic tool examines the evidence.
A murder victim's final moments are caught on tape; the crime scene looks like a clear robbery-murder; text evidence at first points to a jilted lover, but police identify a second suspect with a motive.
A religious woman is shot execution style in the suburbs of Michigan; surveillance video reveals it was a trio of killers; eventually, detectives get a break: a handwritten note.
A wounded woman calls 911; her husband, who wants a divorce, gets a hard look from police, but he has an airtight alibi during the murder; forensic science of ballistics draws a direct connection.