An in-depth look at the lives and crimes of some of the world's most evil killers, including Jeffrey Dahmer, Richard Ramirez, Cary Stayner, Leonard Lake, Dorothea Puente and more.
Mark Hobson killed four people in North Yorkshire, England in July 2004. Hobson committed his first two murders within six days of each other. He is currently serving a whole life sentence.
S3E10 41 min
