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Where Is Judith? A 60-year-old woman disappears from her rural Florida home in the night, and authorities uncover a similar nightmare just across the county line.

Friends are stunned when an esteemed criminal law professor is executed in his garage. Investigators follow a series of leads that take them on a state-wide hunt.

A police officer is shot dead at point blank range at the Harris County Courthouse outside Houston, Texas. With no witnesses, can security cameras lead to his killer.

Tiny evidence helps bring to justice a murderer who stabbed two young women to death. Plus, the search for the identity of a woman found decapitated.

Discover how a killer can try to cover his tracks, but evidence is hard to conceal when a special breed of investigative dog picks up the scent.

Family man Dr David Cornbleet is brutally murdered in his office. Police must rely on CCTV images of man with a concealed face to lead them to the killer.

When Christie Wilson disappears after a night out, CCTV cameras reveal her gambling with a mysterious man. Can this footage unlock the secrets of what happened.

Poisons can be deadly and are often impossible to detect. Forensic experts show how they can solve these mysterious deaths.

Just a few microscopic cells, from even a single hair or drop of blood, can place a murderer behind bars. What does DNA mean for crime solving today.

Re-examines the 1996 investigation into the abduction of a 17-year-old boy from a shop near his home, followed by ransom demands for $30,000.

New Jersey state trooper Phillip Lamanco is shot dead on duty. Detectives try to find his killers. Is there a link to a terrorist future plot.

Online dream. Real life nightmare. Experts in body language, linguistics, and psychology study police bodycam, spotting the signs that point to the murder of Gabby Petito.

Dismembered human remains are found in a grocery bag on a riverbank - will detectives be able to piece together the victim's identity and catch a killer.

A makeshift coffin conceals a body - can insects help cops identify the corpse? Plus, a parasite expert proves murder when a woman is found in a dumpster.

When homicide investigators meet crime writers, it transpires that real-life stories are often stranger than fiction.

Vivacious single-mom Dana is busy juggling a boyfriend, a jealous ex-husband, and a secret lover. But then, her life is cut short by someone close.

When 15-year-old Becky Stowe mysteriously disappears, everyone she knows is a suspect. It'll take a surprising tip to finally bring the truth to light.

New in town, Rhonda Smith, finds herself not only with a new job but also a new enemy. After tempers flare Rhonda is discovered barely clinging to life.

40-year-old Priscilla Strole seeks a fresh start when she and her teenage son move to a small town in California, unaware it will lead to her untimely end.

When a lifelong Long Islander, Donna Bocklet, announces she's moving to Florida, it sends a shock wave through her friends and family that ends in her murder.

Actress and devoted mother, Pasinetta Prince, relishes the spotlight. But, one day a personal betrayal ends the 40-year-old star's life far too soon.

After the murders of three schoolgirls, riots break out across Britain. Police are outnumbered but then use cameras to hunt down and arrest rioters.

As a wedding nears, a gunman kills a mother at home. When detectives can't expose the lies, they call in Texas Ranger Holland to draw out the truth.