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John Achterkirch

Case from Florence, CO dated Jul 28, 2020

Victim Details

John Achterkirch

Male

White / Caucasian

Florence

CO

2020-07-28

64

John

Achterkirch

07/14/2026

Case Description

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In the summer of 2020, in the small city of Florence, Colorado, a dispute between housemates would culminate in a fatal act of violence. On the evening of July 28th, 64-year-old John Achterkirch, a White male, was shot and killed in his own home. The events of that night were the tragic end to a period of escalating tension within the household.

Living with Achterkirch at the time were his niece, Danyelle Shatto, and her fiancé, 56-year-old Mark Nielsen. The situation grew strained after ...
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Links to Additional Sources (10)

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  • https://www.kktv.com/2020/07/29/1-dead-following-shooting-in-florence/
  • Colorado Springs Gazette: Man dead after shooting in Florence, suspect arrested
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    Forum Posts (2)

    Hey everyone, I've been following the Achterkirch case and something that's been really weighing on ... ...Read More
    11/17/2024
    Has anyone else been following the Achterkirch case? I keep thinking about the niece, Danyelle Shatt... ...Read More
    04/02/2023
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