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Mark Dreiman

Case from Cheyenne, WY dated Sep 17, 2016

Victim Details

Mark Drei

Male

White / Caucasian

Cheyenne

WY

2016-09-17

19

Mark

Dreiman

Yes

06/29/2026

Case Description

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Mark W. Dreiman, 19, male, White, was killed the night of September 17, 2016, in south Cheyenne, Wyoming, inside the garage of a home on Drew Court where he had been living with his father. The call for help brought deputies to the residence, but by the time the scene settled into flashing lights and shouted instructions, Dreiman had suffered a single gunshot wound high on his torso—described by investigators as striking the upper chest and lower neck area—and he did not survive.

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Links to Additional Sources (17)

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  • Wyoming Tribune Eagle: Cheyenne teen charged with manslaughter
  • Cheyenne teen charged with manslaughter | Local News
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    Forum Posts (2)

    I keep thinking about the role of firearms in this tragedy with Mark Dreiman. It's so incredibly sad... ...Read More
    07/23/2023
    Reading about Mark Dreiman's tragic passing has reminded me of how fragile life can be. I was partic... ...Read More
    02/23/2023
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