Gary Leon Ridgway may not be a household name, but the infamous Green River Killer is one of the most accomplished serial murderers in U.S. history. In 2003, Ridgway confessed 48 accounts of aggravated first degree murder (more confirmed murders than any other American serial killer) during a two-and-a-half-year period in the early 1980s near Seattle, although it is believed he slaughtered even more. The majority of his victims were runaway teenage girls and hookers whom he picked up on the interstate and strangled to death. But Ridgway was spared the death penalty as part of a plea bargain three years ago, in exchange for his assistance in leading investigators to his victim's remains and revealing other information to help "bring closure" to the grieving families ("Green River Killer Avoids Death in Plea Deal").

Despite overwhelming national approval of it, deliberation over the death penalty in America has been...