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The tragic murder of a 14-year-old girl in Michigan leaves behind little physical evidence, forcing investigators to enter the digital world in search of clues.

When 26-year-old Erica Crippen Crosby disappears from her home in New Jersey, detectives must follow a digital trail to uncover the truth about what happened to her.

When a co-worker finds 67-year-old Karen Navarra dead in a bloody scene at her California home, the seemingly contradictory physical evidence baffles police.

When 21-year-old Julie Ann Gonzalez suddenly goes missing, detectives investigate her puzzling digital trail to uncover the horrifying truth behind her disappearance.

When arrested for historic sexual offences, TV weatherman Fred Talbot tried to hide the truth in police interviews. His repeated response of 'no comment' speaks volumes.

Eight-year-old Jamie Lavis was on the bus Darren Vickers was driving before he disappeared. Vickers joined the hunt and spoke on TV - but was hiding an awful truth.

Shana Grice was murdered after being stalked by her ex-boyfriend, Michael Lane. He denied involvement, but experts examine police videos to determine the truth.

When 16-year-old Becky Watts vanished without trace suspicions fell on her step-brother and his partner. Experts analyse police interviews for clues.

Michelle disappears, and soon after her abandoned car is found. But has she been abducted, or is she on the run from the law.

Brian Barton is in a successful punk rock band but suddenly quits, breaks up with his fiancée, and disappears. Did he walk away, kill himself or was he murdered.

Gone on the 4th of July. After a violent argument with her boyfriend, Roxanne vanishes. What was she doing in an area infamous for drugs and prostitution and where is she now.

Big-hearted Patti clocks out at the end of her shift at the factory and is never seen again. What happened to this popular mum and is a mystery man involved.

High-school sweethearts appear to be living an idyllic life with their three small children. But, hidden tensions and addiction trigger a heinous double-murder.

In 1972, a young woman's life is violently cut short, and investigators hunt for a bogeyman across the forests and farms of the Pacific Northwest.

Aileen Wuornos was America's first female serial killer. She wrote down her darkest secrets for her best friend whilst on death row and now her friend reveals what happened.

The Barnetts' adoption of an allegedly six-year-old Ukrainian orphan turns into a nightmare when they learn she may not be six, or Ukrainian.

Orphan Or Imposter? Michael Barnett claims Natalia tried to poison them. But inconsistencies in his story leads investigators to question who the real villain is.

A girl discovers her mother's true identity after she's murdered. Will the investigation bring her closer to the woman she never knew.

Police must solve the murder of a young mother who was savagely strangled to death in her bed while her two young sons slept just steps away.

Vegas showgirl Debbie Flores Narvaez isn't afraid to ruffle feathers. When Debbie goes missing, investigators wonder if a jealous rival is responsible.

Dalhart, Texas, 2017. Joel Frazier is the proud father of two former rodeo queens, Camie and Jamie Frazier until suddenly he goes missing.

A figure dressed as a clown shoots a mother on her doorstep. The case goes cold until an unexpected break helps bring the killer clown to justice.

Maria's world shatters when her husband Joel, starts an affair. When Maria threatens divorce, Joel makes a deadly plan to stop her.

When Heidi's alcoholic husband, Chris, goes missing, police uncover a dark secret hidden in the basement of the marital home.

A brutal murder occurs, and police turn their attention to several family members who don't see eye to eye. They discover a shocking truth that nobody suspected.

When an entrepreneur is gunned down, police suspect a hit. After a long night of partying, two friends' overdoses may be something more sinister.

Dorian Bluford's family were anxious when he told them he was moving to live with a friend they did not know. Later, he is found brutally murdered.

The dismembered body of a missing woman turns up in trash bags. A detective's pursuit of the suspect prompts the question: Could this man be a serial killer.

Who Wanted Him Dead? A US soldier meets harm in Upstate New York, and his killers may have been his fellow GIs. A missing man's haunting voicemail is his final clue.

When April Barber was murdered at a remote beauty spot, her husband said he tried to stop the killer and even appealed for help on TV. Experts analyse his deception.

When Laci Peterson went missing, her husband claimed he last saw her before he went fishing - but his secret mistress exposed his lies. Experts examine his behaviour.

The abduction and murder of a young schoolteacher shocks a New England town. Veteran investigator Robert Cushing is appalled by the depravity of the killer's plan.

On Chincoteague Island, a young mother is murdered steps from a vacant summer home. Det. Danny Plott learns she was lured to her death by a mysterious phone call.

Divorced mum Krystal is delighted when she marries single dad Nathan. Little does she know, her blended family will soon turn into a nightmare.

In the remote hills of North Carolina, Ulayla Rose talks about her brother John Hardy Rose's bizarre predilections and how a murder rocked their tiny town.

In 2015 Texas, aspiring rapper Daeveion Mangum seeks fame through risky choices, but one decision drags him into a deadly spiral of violence.