Is The Gangster The Cop The Devil Based On True Story [2026]

Here is the detailed breakdown of the true story that inspired the film, and where Hollywood-style fiction takes over. To understand the film’s roots, you have to look at a real person: Yoo Young-chul . He is one of South Korea’s most notorious serial killers, active between September 2003 and July 2004. Known as the "Raincoat Killer" (due to demanding his victims wear a raincoat during the murders) or the "Happy Day" killer (after a message he carved on a victim), Yoo Young-chul confessed to murdering 20 people—mostly wealthy elderly people and female masseuses.

While the characters of the gangster and the cop are largely fictional archetypes, the central engine of the story——is directly inspired by a real-life criminal case from the early 2000s. is the gangster the cop the devil based on true story

When the credits roll on Lee Won-tae’s blistering 2019 action thriller The Gangster, The Cop, The Devil , viewers are often left with one burning question: Could that really have happened? Here is the detailed breakdown of the true