Stephan Smerk, a married father in Niskayuna, New York, turns himself in for the cold case murder of artist and mother Robin ...

Tonight’s "Dateline" season 34 episode unpacks the 2014 Daniel Markel case. Find out how to watch for free today with new ...

Kelly Siegler sits down with local investigators to find out what happened to Tracy Holloway.

The story of the Murdaugh Murders put a small South Carolina community in the spotlight. Here's the in-depth story of Alex ...

Trying to piece together the events that led to Tracy Holloway's death, Kelly Siegler and Steve Spingola reenact the violent ...