---
title: "Darts of Death: The Bullseye Serial Killer"
description: "The shocking true story of John Cooper, the Welsh serial killer who appeared on the UK game show Bullseye just weeks before committing murder, and how his television appearance became crucial evidence in his eventual capture."
url: https://casualcriminalist.pub/article/darts-of-death-bullseye-serial-killer.md
canonical: https://casualcriminalist.pub/article/darts-of-death-bullseye-serial-killer
datePublished: 2026-06-26
dateModified: 2026-06-26
author:
  - name: Dana Ortiz
    url: https://casualcriminalist.pub/author/dana-ortiz
publisher: Casual Criminalist
image: "https://media.casualcriminalist.pub/cdn-cgi/image/width=1600,height=900,fit=cover,quality=80,format=auto/articles/E02RSATWydU/hero.jpg"
type: Article
contentHash: c3ef62acd74774d0e23ef486ce3d7fd40a7b8449c891aabc103abed173030f63
tokens: 57
summaryUrl: https://casualcriminalist.pub/article/darts-of-death-bullseye-serial-killer.md.summary.md
---

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The shocking true story of John Cooper, the Welsh serial killer who appeared on the UK game show Bullseye just weeks before committing murder, and how his television appearance became crucial evidence in his eventual capture.
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