Question: The Chaser, is a 2008 South Korean action thriller film starring Kim Yoon-seok and Ha Jung-woo, inspired by Yoo Young-chul, a real-life Korean serial killer, and self-confessed cannibal, he admitted to murdering how many people?
Sentence (from "Yoo Young-chul"): Yoo Young-chul (born April 18, 1970) is a South Korean serial killer and self-confessed cannibal.
Relevant evidence: No