Summary: Texas man who as a contract killer hired by Markum Duff-Smith (executed in 1993) in the late 1970's killed four of Duff-Smith's family members (mother Gertrude Duff-Smith Zabolio, sister Diana Wanstrath and her husband John and their 14-month old son Kevin) so he could receive an $800,000 inheritance.
Cause of Death: Executed by lethal injection
Born: November 3, 1949
Died: July 24, 2003
Location: Huntsville, Texas