Watched all three episodes of The Raincoat Killer: Chasing a Predator in Korea (2021), a documentary about serial killer Yoo Young Chul. The first crimes occurred in 2003. The documentary is told from the points of view of the police, criminal profilers, detectives, journalists, historians, and victims' relatives.

Yoo Young Chul is the Korean counterpart of the USA's Richard Ramirez, minus the Satanism.