Mark Hopkinson
Mark Allen Hopkinson (October 8, 1949 – January 22, 1992) was a convicted serial killer who was executed by the U.S. state of Wyoming in 1992 for the murders of Vincent Vehar, Beverly Vehar, John Vehar, and Jeffrey Green. He is the only person to have been executed in Wyoming since the 1960s. Gerry Spence served as the special prosecutor who won the case against Hopkinson. Provided by Wikipedia-
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