World's Most Evil Killers - Season 3, Episode 13 - Derek Bird - Full Episode

In Cumbria, 2010 taxi driver Derek Bird took his gun and, in less than 24 hours, shot dead 12 people and injured 11 more. The callous killer only stopped when he had run out of ammunition, finally turning the gun on himself.

An in-depth look at the lives and crimes of some of the world's most evil killers, including Jeffrey Dahmer, Ted Bundy, Richard Ramirez, Cary Stayner, Leonard Lake, Dorothea Puente and more.

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