{
  "title": "The Raincoat Killer: How Citizen Action Ended the Seoul Spree",
  "dek": "Yoo Young-chul terrorized Seoul from 2003 to 2004, targeting the wealthy and sex workers until his capture by massage parlor staff.",
  "slug": "yoo-young-chul-solved",
  "canonical_url": "https://crimesandmyths.com/case/yoo-young-chul-solved",
  "published_at": "2026-10-05T14:08:03.900Z",
  "updated_date": "2026-10-19T14:55:36.307000",
  "word_count": 916,
  "direct_answer": "Yoo Young-chul was a serial killer who murdered at least 20 people in Seoul between 2003 and 2004 by targeting the wealthy and sex workers. The investigation stalled for months until massage parlor employees grew suspicious and apprehended him. He later confessed to 26 murders and was sentenced to death in 2004.",
  "key_facts": [
    {
      "label": "Killer Name",
      "value": "Yoo Young-chul"
    },
    {
      "label": "Incident Dates",
      "value": "September 2003 – July 2004"
    },
    {
      "label": "Location",
      "value": "Seoul, South Korea"
    },
    {
      "label": "Known Victims",
      "value": "At least 20"
    },
    {
      "label": "Current Status",
      "value": "Sentenced to death; imprisoned at Seoul Detention Center"
    }
  ],
  "faq": [
    {
      "question": "How was Yoo Young-chul caught?",
      "answer": "He was apprehended by massage parlor employees who grew suspicious of his behavior and held him until police arrived."
    },
    {
      "question": "Did Yoo Young-chul confess to his crimes?",
      "answer": "Yes, after his arrest, he confessed to killing 26 people, though courts confirmed at least 20 victims."
    },
    {
      "question": "What was the motive behind the murders?",
      "answer": "Yoo Young-chul claimed to have been motivated by hatred for the wealthy and those in the sex industry, stating he wanted to kill society."
    }
  ],
  "structured_block": {
    "timeline": [
      {
        "date": "September 2003",
        "event": "Yoo Young-chul begins his killing spree in Seoul."
      },
      {
        "date": "July 2004",
        "event": "Yoo Young-chul is apprehended by massage parlor workers."
      },
      {
        "date": "December 2004",
        "event": "Yoo Young-chul is sentenced to death."
      }
    ],
    "persons": [
      "Yoo Young-chul",
      "Lee Deok-su",
      "Huh Joon-young"
    ],
    "evidence_status": "court_established",
    "current_status": "Incarcerated at Seoul Detention Center awaiting death penalty",
    "sources": [
      {
        "title": "All That's Interesting - Yoo Young-chul",
        "url": "https://allthatsinteresting.com/yoo-young-chul",
        "publisher": "All That's Interesting",
        "tier": "tertiary"
      }
    ],
    "reviewer": {
      "completeness": 95,
      "narrative_quality": 85,
      "readability": 90,
      "direct_answer_standalone": true,
      "perspective_counterpoints": true,
      "honesty_framing": true,
      "verdict": "pass",
      "reasons": "The article is well-researched, maintains a professional narrative, and clearly cites key facts while following all editorial constraints."
    }
  },
  "entities": [
    {
      "name": "Yoo Young-chul",
      "type": "Person",
      "sameAs": "https://en.wikipedia.org/wiki/Yoo_Young-chul",
      "description": "South Korean serial killer active in Seoul during 2003-2004."
    },
    {
      "name": "Huh Joon-young",
      "type": "Person",
      "sameAs": "https://en.wikipedia.org/wiki/Huh_Joon-young",
      "description": "Former Commissioner General of the Korean National Police Agency."
    },
    {
      "name": "Seoul Detention Center",
      "type": "Place",
      "sameAs": "https://en.wikipedia.org/wiki/Seoul_Detention_Center",
      "description": "A correctional facility in Uiwang, South Korea where the perpetrator is currently held."
    }
  ],
  "place": {
    "name": "Seoul, South Korea",
    "address": "Seoul, South Korea",
    "sameAs": "https://en.wikipedia.org/wiki/Seoul"
  },
  "temporal_coverage": {
    "start": "",
    "end": ""
  },
  "claims": [
    {
      "claim_text": "Yoo Young-chul confessed to killing 26 people.",
      "category": "other",
      "agreement_status": "reported",
      "confidence": 0.9,
      "is_quotable": true,
      "quote_text": "The media keeps saying that I’ve murdered so many people, but to me it was only a mere start.",
      "quote_attribution": "Yoo Young-chul"
    },
    {
      "claim_text": "Yoo Young-chul was caught by massage parlor workers, not the police.",
      "category": "outcome",
      "agreement_status": "reported",
      "confidence": 0.9,
      "is_quotable": false,
      "quote_text": "",
      "quote_attribution": ""
    },
    {
      "claim_text": "Yoo Young-chul was sentenced to death in December 2004 but remains at the Seoul Detention Center.",
      "category": "outcome",
      "agreement_status": "court_established",
      "confidence": 1,
      "is_quotable": false,
      "quote_text": "",
      "quote_attribution": ""
    },
    {
      "claim_text": "Yoo Young-chul targeted the wealthy and sex workers.",
      "category": "person",
      "agreement_status": "court_established",
      "confidence": 1,
      "is_quotable": true,
      "quote_text": "Women should not be sluts, and the rich should know what they have done.",
      "quote_attribution": "Yoo Young-chul"
    },
    {
      "claim_text": "Yoo Young-chul killed at least 20 people between September 2003 and July 2004.",
      "category": "timeline",
      "agreement_status": "court_established",
      "confidence": 1,
      "is_quotable": false,
      "quote_text": "",
      "quote_attribution": ""
    }
  ],
  "sources": [
    {
      "url": "https://crimelibrary.org/serial_killers/weird/yoo_young_cheol",
      "title": "Yoo Young-cheol, South Korea’s Brutal Serial Killer – Crime Library",
      "publisher": "Crime Library",
      "tier": "tertiary",
      "type": "other"
    },
    {
      "url": "https://allthatsinteresting.com/yoo-young-chul",
      "title": "The Story Of Yoo Young-chul, South Korea's Brutal 'Raincoat Killer'",
      "publisher": "All That's Interesting",
      "tier": "tertiary",
      "type": "other"
    }
  ]
}