Dan Slepian

A journalist and a detective uncover the truth about a killer whose charm masked a trail of failed marriages and suspicious deaths.

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

Sheds light on the criminal justice system by following a journalist and a man convicted of murder and the connection they formed within the walls of Sing Sing Correctional Facility.

Explore behind the scenes of one of the country's most confounding murder investigations, revealing a tale of evil and a tireless quest for justice in real time.