Podcast Summary: Twisted Tales with Heidi Wong Episode: The Killers Who Changed a Country
Date: April 13, 2026
Host: Heidi Wong
Theme: Reality is the real horror

Episode Overview

In this gripping and chilling episode, Heidi Wong delves into the true stories behind two of South Korea's most notorious serial killers and the dark societal issues their crimes exposed. These real-life horrors inspired the acclaimed revenge thriller I Saw the Devil, prompting questions about justice, vengeance, and how trauma lingers in a nation’s psyche. Wong examines not only the grisly details but also the social failures that allowed these killers to operate, culminating in a nuanced reflection on the true cost of violence.

Key Discussion Points & Insights

1. The Raincoat Killer: Yoo Young Chul

[04:12-09:52]

• Background:

  • Yoo Young Chul terrorized Seoul from September 2003 to July 2004, murdering at least 20 people, primarily wealthy elderly couples and female massage therapists.
  • Driven by resentment from a life of poverty, Yoo targeted the wealthy as a form of twisted retribution.

• Modus Operandi:

  • Broke into homes to bludgeon and mutilate elderly couples.
  • Lured massage therapists to his apartment by impersonating a police officer, where he would kill and dismember them—sometimes cannibalizing his victims (“…ate their livers.” [05:17]).

• Police Failings:

  • Fragmented police work allowed Yoo’s spree to continue unchecked; districts operated in isolation and did not share information about unsolved cases.
  • Only after wealthy victims were targeted did the case become a priority, highlighting class-based disparities in media and police response.

• Capture:

  • Not police, but massage parlor owners and workers identified the pattern and helped facilitate Yoo’s capture by tracking incoming calls from missing women’s phones.

• Aftermath & Impact:

  • Yoo confessed to 26 murders (convicted of 20), led police to human remains, and showed no remorse (“…he actually thanked [prosecutors] for [the death penalty].” [07:53]).
  • His crimes reversed public opinion on the death penalty and exposed South Korea's justice system’s inability to handle serial crimes.

2. The Hwasong Serial Murders: Lee Chun Jae

[09:53-13:47]

• A 30-year Nightmare:

  • From 1986-1991, 10 women and girls were raped and strangled with their own clothing in rural Hwasong.
  • The case became South Korea’s largest-ever investigation, involving over two million officers and countless forensic tests, but technological limitations blocked resolution.

• Missteps and Tragedy:

  • Faulty assumptions, e.g., that the killer had type B blood, allowed Lee to evade capture despite being questioned early.
  • Wrongful conviction: Yoon Seung Yeo, disabled and uneducated, was tortured into confessing and spent decades imprisoned for a crime he didn’t commit.

• Resolution and Limits of Justice:

  • In 2019, DNA linked Lee Chun Jae (already in prison) to the crimes; he confessed to additional murders and assaults.
  • The statute of limitations had expired, so he couldn’t be prosecuted for the Hwasong murders, leaving victims’ families without closure.

• Systemic Reflection:

  • These failures “exposed massive failures in South Korea's criminal justice system,” with police relying on torture and mishandling evidence. [11:08]

3. Gender-Based Violence and Societal Repercussions

[14:25-19:16]

• Gangnam Station Murder (2016):

  • A man murdered a stranger in a public restroom, claiming, “I did it because women have always ignored me.” [14:42]
  • Sparked nationwide protests ("Gangnam Station generation"), demanding recognition of gender-motivated violence and challenging official attempts to medicalize the crime rather than address misogynistic roots.

• The Spy Cam Epidemic:

  • Secret filming in public and private spaces led to over 30,000 reported spy cam cases between 2013-2018.
  • Massive protests erupted, with women declaring “my life is not your porn.” The government increased penalties and monitoring, but the trauma persisted.

Notable Quotes & Memorable Moments

• On why Yu targeted the wealthy:

  • “…he lived close to a wealthy family. It wasn’t long before that reminder of everything he didn’t have turned into resentment, then hatred.” [04:32]

• On fragmented police work:

  • “Police departments worked strictly within their districts and hardly ever shared information… Each police district was investigating their own murders without realizing they were all connected.” [05:45]

• On citizens solving what police could not:

  • “The owners of a massage parlor… started noticing a disturbing pattern. Their workers would leave for appointments and never come back… They eventually started keeping track of people’s phone numbers…” [06:46]

• On the Hwasong killer's false sense of immunity:

  • Lee: “I didn’t think the crimes would be buried forever.” [10:56]

• On wrongful conviction:

  • “Police forced a confession out of him [Yoon] through torture and fabricated evidence.” [12:07]

• On women’s response to violence:

  • “Thousands of women gathered at the subway station, covering the walls with Post it notes expressing their grief and anger. And that exact location mattered.” [14:47]

• On the spy cam crisis:

  • “This is voyeurism as social sickness. A weaponization of technology to violate and shame.” [18:03]

The Cinematic Response: I Saw the Devil

[20:48-27:31]

Plot Summary

• The film’s protagonist, Soo Hyun, is a Secret Service agent whose fiancée is murdered by a sadistic killer, Jang Kyung Chul.
• Instead of seeking justice through legal means, Soo Hyun tracks, tortures, and repeatedly releases the killer, longing for retribution that mirrors his own loss.
• Each confrontation grows increasingly brutal, blurring the moral line between hunter and prey.

Philosophical Underpinnings

• Nietzsche's Warning:

  • “Whoever fights monsters should see to it that in the process, he does not become a monster … if you gaze long into an abyss, the abyss gazes also into you.” [Traditional Nietzsche, paraphrased at 24:27]

• René Girard’s Theory:

  • “Violence spreads like a disease … the only way ancient societies could stop cycles … was through sacrifice.” But Soo Hyun’s quest is solitary, thus cannot heal—only destroy.

The Film's Social Commentary

• The killer’s character is an amalgamation of real figures like Yoo and Lee, echoing societal trauma and systemic failure.
• The cycle of violence leaves Soo Hyun hollow, underlining the danger and futility of personal revenge.
• I Saw the Devil weaponizes audience complicity, forcing viewers to interrogate their own appetite for vengeance and justice.

Heidi’s parting reflection:
“But it’s also an essential viewing for anyone who wants to understand the dark psychology of revenge, the cost of violence, and the danger of becoming the thing that you hate. Because in the end, the film's title isn’t just about the killer, it’s about the hero too. They both saw the devil, but only one of them recognized it was staring back from the mirror.” [27:15]

Important Timestamps

• [04:12] – Introduction of Yoo Young Chul, the Raincoat Killer
• [09:53] – The Hwasong serial murders and wrongful conviction
• [14:25] – Gangnam Station murder and the feminist awakening
• [16:30] – The spy cam epidemic and mass protests
• [20:48] – Introduction to I Saw the Devil and analysis
• [22:50] – Philosophy behind vengeance and violence
• [27:15] – Final reflection on the film’s meaning and impact

Final Thoughts

Heidi Wong delivers a haunting, meticulously researched look at how real-life horrors shaped one of South Korea’s most unflinching films. By weaving together the cases of Yoo Young Chul and Lee Chun Jae, the Gangnam Station murder, and the spy cam epidemics, Wong not only recounts crime history but also challenges listeners to face uncomfortable truths about justice, vengeance, misogyny, and the power of storytelling in the face of trauma.