The brand new true-crime documentary The Serial Killer’s Apprentice premieres on Investigation Discovery Sunday, Aug. 17 at 9/8c. The documentary follows Dr. Katherine Ramsland, an American ...

Bryan Kohberger's criminology professor has said she is 'horrified' that one of her former students went on a stabbing rampage that shocked the nation.

A new two-hour documentary, The Serial Killer’s Apprentice, is coming to Investigation Discovery. It focuses on the crimes of ...

The new Investigation Discovery special, The Serial Killer’s Apprentice, set to release on August 17, 2025, looks back at one of Texas’s darkest cases.

A man who helped lure victims for the notorious Candy Man killer back in the 1970s is speaking out on a new doc for the first ...