A new Investigation Discovery documentary, “The Serial Killer’s Apprentice,” unpacks the story of Elmer Wayne Henley, who, as ...

In 1975, Elmer Wayne Henley was sentenced to life in prison for his role in the Houston mass murders. Here’s everything to ...

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 ...

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

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

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

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 Investigation Discovery documentary, The Serial Killer’s Apprentice, centers on recorded conversations between Elmer ...

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

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

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