Mark Hopkinson, American mass murderer (died 1992)

Mark Hopkinson

American mass murderer (1949–1992)

Mark Allen Hopkinson was a convicted proxy serial killer who was responsible for arranging the 1977 murders of Vincent Vehar, Beverly Vehar, and John Vehar, and the 1979 murder of Jeffrey Green, a key witness against him, in Wyoming. Hopkinson is the only person to have been…