Dateline: Secrets Uncovered

Stories of couples who commit terrible crimes after their relationships devolve from love into manipulation, including what ultimately leads to a fatal breaking point.

Deep into some of the most chilling murder cases in New York City's recent history.

Hosted by Lt. Chris McMullin, the 10-Episode docuseries delves into the most harrowing murders committed in one of the country’s most historic regions.

A true-crime series that examines the story of sadistic and meticulous killers who plan their victims' murders for weeks, months, or even years. Each stand-alone episode is brought to life through a tapestry of first-hand interviews with investigators and those close to the victim as well as archival footage, archival stills, and actor recreations. Detectives are on a winding investigation. They'll work through dead ends, red herrings, and misdirects planted by the killer to throw them off... all in their quest to identify the guilty party and bring them to justice.

"Accident, Suicide or Murder” explores the unbelievable true stories of suspicious deaths. Each hour-long episode retraces the investigation from start to finish, taking viewers through the twists and turns of these shocking cases, from dissecting the red flags to the undeniable evidence, and strange behavior that put the tragedy in question.

Through intense prison interviews, Piers Morgan revisits the crimes of three convicted serial killers and learns more about their motives.