Kenneth Allen McDuff, also known as the "Broomstick Killer" because of the way he murdered one of his first victims: 16-year-old Edna Louise Sullivan who he killed in August 1966 along with her boyfriend and his cousin. After being sentenced to death, the United States Supreme Court, in 1972, determined that the death penalty was unconstitutional and, as a result, McDuff's death sentence was commuted to life in prison. He was eventually paroled and killed at least five more women before being rearrested, tried, and given the death penalty again…twice. McDuff was executed on 17 November 1998 and has the distinction of providing the impetus for the Texas Department of Criminal Justice—the third largest system in the United States—to overhaul its entire system, particularly the parole eligibility and revocation processes. In total, McDuff is suspected of 14 murders and has the distinction of being the only person in United States history to be sentenced to death for murder, paroled, and then sentenced to death for two additional murders committed after he was released.