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September 11, 2026Short & citedBlog
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People File • Activist

Bill Cooper

Milton William “Bill” Cooper (1943–2001) was an American conspiracy theorist, radio broadcaster, and author best known for the 1991 book *Behold a Pale Horse*.

Updated September 11, 20261 min readCited sources

Milton William “Bill” Cooper (1943–2001) was an American conspiracy theorist, radio broadcaster, and author, best known for his 1991 book *Behold a Pale Horse* and his shortwave radio show *The Hour of the Time*.

What it is

Bill Cooper built a career in U.S. fringe-media circles by promoting claims about government cover-ups, extraterrestrials, and a global “New World Order.” His book and radio broadcasts reached a wide audience in the 1990s, making him a prominent figure in conspiracy culture and the militia movement.

Key details

Cooper was born on May 6, 1943. He wrote *Behold a Pale Horse* (1991) and hosted *The Hour of the Time* on shortwave radio. He died on November 5, 2001, in a shootout with sheriff’s deputies in Eagar, Arizona, after authorities attempted to arrest him and he allegedly fired at them.

Why it matters for Canadian readers

Cooper’s ideas are part of the wider history of North American conspiracy culture and far-right activism. While his direct impact on Canada is limited, his work influenced fringe media that Canadian audiences may encounter, especially via the internet and cross-border radio.

In short

  • Bill Cooper was an American conspiracy theorist and author of *Behold a Pale Horse*.
  • He hosted the shortwave show *The Hour of the Time*.
  • He died in 2001 during a shootout with law enforcement in Arizona.
  • His ideas contributed to U.S. conspiracy and militia movements, with some influence on Canadian fringe media.
Canadian angle

Bill Cooper’s influence is mainly relevant to Canadian readers as part of the broader history of North American conspiracy culture, fringe media, and far-right activism.

Quick questions

Who is Bill Cooper?
Bill Cooper was Milton William Cooper, an American conspiracy theorist, radio broadcaster, and author known for *Behold a Pale Horse* and *The Hour of the Time*.
How did Bill Cooper die?
He died in a shootout with sheriff’s deputies in Eagar, Arizona, after authorities attempted to arrest him and he allegedly fired at them.
What is Bill Cooper's conspiracy theory?
Cooper promoted claims about government cover-ups, the “New World Order,” extraterrestrials, and other large-scale conspiracies.

Sources

  1. Wikipediahttps://en.wikipedia.org/wiki/Milton_William_Cooper
    Supports: Birth date, occupation, book title, death circumstances
  2. Publishers Weeklyhttps://www.publishersweekly.com/pw/by-topic/industry-news/tip-sheet/article/78072-who-was-william-cooper-the-man-behind-one-of-the-most-controversial-books-of-our-time.html
    Supports: Book, radio show, influence, biography details
  3. Southern Poverty Law Centerhttps://www.splcenter.org/resources/reports/conspiracy-theorist-slain-police-shootout/
    Supports: Book themes, conspiracy claims, death in police shootout
  4. Amazonhttps://www.amazon.com/stores/author/B000APEXVM
    Supports: Author identity, birth/death dates, book attribution
  5. IMDbhttps://www.imdb.com/name/nm3387717/
    Supports: Birth place/date and death date for Milton William Cooper
  6. Rolling Stonehttps://www.rollingstone.com/politics/politics-features/william-cooper-conspiracy-theory-711469/
    Supports: Biographical overview, radio show, death context