Question: How many men and boys did the serial killer, in which John Balcerzak handed over an injured child to, murder?
Sentence (from "Jeffrey Dahmer"): Jeffrey Lionel Dahmer (May 21, 1960 – November 28, 1994), also known as the Milwaukee Cannibal, was an American serial killer and sex offender, who committed the rape, murder, and dismemberment of seventeen men and boys between 1978 and 1991.
Relevant evidence: Yes