Christopher Scarver
Christopher J. Scarver is an American convicted murderer who gained notoriety for killing serial killer and cannibal Jeffrey Dahmer at Columbia Correctional Institution, Portage, Wisconsin, in 1994. Scarver used a 20inch metal bar he removed from a piece of exercise equipment in the prison weight room to beat Dahmer and another convicted murderer, Jesse Anderson. Both Dahmer and Anderson died later from their injuries. Scarver was sentenced to two further life sentences for the killings.
Scarver is the second of five children and was born and raised in Milwaukee, Wisconsin. He attended James Madison High School before dropping out in the eleventh grade. Eventually his mother forced him to leave the house because of his increasing alcoholism. He later had a son.
Source: Wikipedia