Even if you don’t have traditional cable, you can watch “The Serial Killer’s Apprentice” live and on demand for free using ...

The new documentary "The Serial Killer's Apprentice" follows Dr. Ramsland who dives into the mind and memory of Elmer Henley ...

Renowned forensic psychologist Dr. Katherine Ramsland spoke to PEOPLE about the mindset of Elmer Wayne Henley Jr., an ...

Wayne Henley Jr.’s journey from Texas teenager to murderer is profiled in a new interview and documentary series.

The Serial Killer's Apprentice,' airing Sunday, dives into the relationship between evil mastermind Dean Corll and one of the ...

The Serial Killers Apprentice' is a new chilling documentary that revisits the case of “The Candyman Killer,” one of the most ...

Here’s where The Serial Killer’s Apprentice Elmer Wayne Henley is now, and what happened to the Candy Man Killer, Dean Corll.

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

Forensic psychologist Dr. Katherine Ramsland talks about Elmer Wayne Henley Jr., an accomplice to Texas murderer Dean Corll, ...

Dean Corll killed at least 27 boys in the early 1970s, but he had help. ID's The Serial Killer's Apprentice digs into how—and ...

From 1970 to 1973, Dean Corll, dubbed the "Candy Man" killer, murdered at least 28 boys and young men in the Houston area ...

Former gas station worker Elmer Wayne Henley Jr. revealed how he became an accomplice to "Candy Man" serial killer Dean Corll ...