Copycat Killers

The D.C. sniper shootings stemmed from the movie, "The Matrix."

An in-depth look at the shootings that took place in Aurora, Colo.

For Regan Jolley, life seems too good to be true and she loses everything and pays with her life.

The "Robocop" movie franchise becomes more than just entertainment for Nathaniel White.

Michael Carneal horrifies the nation when he reenacts a violent scene from "Basketball Diaries."

Evil lurked from within as a 17-year-old invoked "Halloween," in a quest to destroy his family.

After years of constant rejection by women, George Hennard turns to murder.

Two brothers were influenced by an episode of "The Sopranos" to commit murder.

Inspired by a scene from the "Dirty Harry" series, a robbery ends up deadly.

A movie character was the inspiration behind the gruesome murder of 16-year-old Suzanne Capper.

Allan Bentley was inspired by the movie "Reservoir Dogs" to perform a gruesome series of events.

A triple murder shook a small town in England when 21-year-old Jed Allen reached his boiling point.

An in-depth look at convicted murderer Albert Fentress and his crimes.

Leonard Lake and Charles Ng built a bunker where many women became their victims.

Lyle and Erik Menendez lived a comfortable life, but things change when their father cuts them off.

Jonathan Cruz obsessed over the premise behind the movie "The Purge."

Sean Sellers was a young person wreaking havoc in a small town as demons possessed him.

Erin Caffey's life turns upside down when she begins dating the town bad boy.

Janice Orndoff kills her husband, shocking those who thought they knew her.

Marcin Kasprzak's love and his horrifying dark secret that he kept hidden.