UnansweredQ Ep. 471 (Broadcasted Dec 6, 2003)
The Horrors of Serial Killing - Stopping the Repeated Tragedy

Director : Jin-hong Park / Writer : Hyun-sook Song

UnansweredQ Ep. 499 (Broadcasted Jul 24, 2004)
The Killer was With Us - The Notorious Serial Killing

Director : Kyung-soo Jang / Writer : Jin-joo Shin

UnansweredQ Ep. 1038 (Broadcasted Jul 2, 2016)
Serial Killer Playing Truth or Dare - Who is the Uninvited Guest of Saturday?

Director: Young-woo Ryu / Writer : Yoo-ran Choi