Crime Solvers Central
CSC
233 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
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.

In ...Read More
Victim Details

Mark Drei

Male

White / Caucasian

Cheyenne

WY

2016-09-17

19

Mark

Dreiman

Yes

03/10/2026