The Gangster The Cop The Devil Based On True Story — Is

That victim was (also spelled Kim Tae-chon). At the time, Kim was the leader of a violent underground gang known as the "The Pope Organization" or the "Yangsan-dong Mob."

Yoo Young-chul, the "Devil," was executed by hanging in Seoul Detention Centre in 2018. He remains one of the most reviled figures in modern Korean history. is the gangster the cop the devil based on true story

The Gangster, The Cop, The Devil succeeds because it uses the skeleton of a true crime story to build a muscular action epic. The film asks us to imagine a world where a gangster is the lesser of two evils, and a cop must become a devil to catch a devil. While that specific scenario never happened in a Korean police station, the fact that it almost did—the fact that a real mob boss beat a real serial killer to a pulp—is exactly why the movie feels so terrifyingly plausible. That victim was (also spelled Kim Tae-chon)

| Element | In The Gangster, The Cop, The Devil | In Real Life (Yoo Young-chul / Kim Tae-chon) | | :--- | :--- | :--- | | | Serial killer stabs mob boss; boss survives. | Serial killer attacks mob boss with crowbar; boss wins the fight. | | The Alliance | Gangster and Cop form an official, secret pact to catch the killer. | No alliance. The police were already investigating. The gangster hunted the killer alone. | | The Motivation | Cop wants justice; Gangster wants revenge for his wounded pride. | Gangster acted purely out of pride and territory protection. | | The Ending | The cop arrests the gangster after the killer is caught. | The gangster was already a wanted criminal. Both the killer and the gangster went to prison separately. | | The Killer | A young, handsome, smiling psychopath who kills randomly. | A middle-aged, awkward construction worker with specific hatred for rich people and sex workers. | | The Daughter | The killer targets the gangster’s daughter. | No such relationship existed. Yoo targeted strangers. | Why Did the Filmmakers Change the Story? Director Lee Won-tae had a specific goal. He wasn't making a documentary about Yoo Young-chul; he was making a genre film about the blurry line between law and crime. The true story provided a fantastic hook —a gangster hunting a killer—but it lacked narrative symmetry. The Gangster, The Cop, The Devil succeeds because

This is the real-life origin of the film’s premise.

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.