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 ...

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

After pleading not guilty, Henley was convicted in 1974 of murdering six boys, per The New York Times, and was given six ...

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.

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