When an infant's body washes up on the shores of Deer Island, Massachusetts, residents rally to find out who she is, and what happened to her. Their unprecedented solidarity gets nationwide attention, helping police solve a heartbreaking mystery.

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On February 14th, 1929, one of the most shocking murders in mob history goes down in Chicago... and becomes known as the Valentine’s Day Massacre. The 20s and 30s are full of gangland murders, but the Valentine’s Day Massacre is considered the most brutal, and the toughest to solve. So who carried out the Valentine’s Day Massacre? And why?

Thank you to our experts who contributed to this episode: Clarence Goodman, Claire White, Natalia Mehlman Petrzela, Mike King, Cheryl Dorsey, and Larry Dale Gragg.

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The quiet Sarasota neighborhood of Mirror Lake wakes up to a nightmare when a neighbor is found strangled to death. Detectives believe it's the result of a long-held grudge against the silver tongued car salesman, but they turn out to be dead wrong.

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Two former California cops go into business in the City of Angels' sleazy adult entertainment industry. But their partnership ends in a murder and a plot twist worthy of a Hollywood script.

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The gruesome murders of prominent Lynchburg couple Derek and Nancy Haysom in their own home, leads investigators on a path fraught with international flight and twisting confessions.

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Bitter divorce proceedings between Pilots Holly and Mike Mullins came to a sudden end when Holly’s dead body was found in a burned-out van.

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A Kentucky river town is shocked when the owner of a popular local restaurant is bludgeoned to death with an antique pancake syrup bottle and her husband is charged with conspiring to murder her.

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In 1981, Christine Schultz was murdered in her own home with her two children watching. Despite the eye-witnesses insisting the perpetrator was a middle aged man, a description that fit the victim's cop ex-husband, the investigators pinned the crime on Bambi...

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