206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
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Description
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The Denver Strangler: A Glimpse into the 1894-1903 Murders

Overview

The Denver Strangler was an unidentified serial killer active in Denver, Colorado, from 1894 to 1903. The assailant was responsible for the deaths of at least three women, all strangled within a span of ten weeks in 1894. Despite numerous arrests, no individual was ever convicted for these heinous crimes.

Victims

  • Lena Tapper
    • Date: 1894
    • Location: Denver, Colorado
    • Details: A French prostitute previously residing in Fulda, Minnesota, and Heron Lake. She moved to Denver with her partner, Richard Demady, and was involved in a secret French order known as the Macquereaux, serving as a sex servant. Tapper was found strangled in Denver's red-light district.
  • Marie Contassot
    • Date: 1894
    • Location: Denver, Colorado
    • Details: Another victim found strangled under similar circumstances to Tapper, highlighting the serial nature of the crimes.
  • Kiku Oyama
    • Date: November 14, 1894
    • Location: 1975 Market Street, Denver, Colorado
    • Details: A Japanese woman operating a business at the mentioned address. She was discovered strangled, with the crime bearing the hallmark signs of the Denver Strangler.

Modus Operandi

The Denver Strangler targeted women, predominantly those associated with Denver's red-light district. The victims were often found in their residences or places of work, strangled without significant signs of struggle, suggesting they might have known their attacker or were caught off-guard. The proximity of the murders, both in time and location, indicates a calculated approach by the perpetrator. ...Read More
Victims
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Links to Additional Sources (9)
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Killer's Details

Strangler

Denver

Denver Strangler, Jack the Strangler, The Strangler of Denver

3-5

1894 - 1903

Colorado

Denver

07/03/2025