1967Richard Speck was sentenced to death by electric chair for raping and murdering eight student nurses in Chicago. His death sentence was later overturned due to issues with jury selection. Speck died in 1991 at Stateville Correctional Center.1968Sirhan Sirhan shot presidential candidate Robert F. Kennedy at campaign event in Los Angeles. Kennedy died the next day. In a 1989 TV interview, Sirhan said, "My only …