I Am a Killer: These True Crime Stories Will Give You Goosebumps

David Lewis did not know 74-year-old Myrtle Ruby would be home when he decided to burglarize her house. When she stumbled upon him, he shot her with his rifle and killed her. He admitted to the crime, but U.S. Federal law prohibits states from executing the mentally disabled, and Lewis has borderline mental disabilities, according to his defense. The prosecution felt that Lewis should receive the death penalty because he poses a danger to society. He is still on death row 30 years later.