Journalist and writer Satish Sekar was determined to seek justice for three men wrongly imprisoned for the murder of Lynette White.

Ann Ming, the mother of murdered Julie Hogg, was convinced that her daughter had not disappeared by choice. By changing an 800-year-old law on double jeopardy, Julie's killer was finally able to be held accountable for his actions.

Senior Investigating Officer Steve Wilkins was shocked at a series of unsolved crimes in his hometown. He was granted permission to launch a new operation titled Operation Ottawa.

In 1966, 17-year-old Danny Goldman disappeared. In 2012, Danny's school friends formed an investigation posse. Delving into organized crime in Miami would lead them to the answers of what happened to Danny all those years ago.

Sickly army veteran Jake Embert's wife and family were left devastated when he shot himself in the head. There was just one problem—no one except Jake's wife, and now widow, believed he had killed himself.

In 1979, two armed and masked men stormed into the house of city trader Carl Gaimari and shot him six times. Almost 35 years later, soon-to-retire detectives Bill Stutzman and Mike Kirby took up the case.

A 16-year-old schoolgirl disappeared after a Christmas shopping trip in Leeds. When her body was discovered 9 months later, former Detective Chief Superintendent Chris Gregg led a team of top detectives to investigate every possible lead.

Fire Captain John Willits was called to review an accidental drowning incident of a 3-year-old girl in an outdoor pool. His experience of similar incidents told him that this incident was somehow different.

In the early hours of September 20, 2017, Alisha Caneles-McGuire, 24 heard the doorbell ring. When she answered, she was shot seven times and killed.

In 1974, Annie Ross was in her new apartment getting ready for a double date. When she failed to turn up, friends went to check on her and found her body, with blood stains smeared on the walls.