206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
Mark Lamonte “Mont” Mecham, age 67 at death, was a Green River Police Department lieutenant from Green River, Wyoming.
On October 14, 1996, the male officer was shot in the neck with a shotgun while he and another officer entered a residence to question a suspect in the killing of 31-year-old Tawnya “T” Sidwell; the other officer, Sgt. Dave Hyer, was shot in the arm. The shooter barricaded himself in the home's attic before surrendering to responding tactical officers.
...Read More
On October 14, 1996, the male officer was shot in the neck with a shotgun while he and another officer entered a residence to question a suspect in the killing of 31-year-old Tawnya “T” Sidwell; the other officer, Sgt. Dave Hyer, was shot in the arm. The shooter barricaded himself in the home's attic before surrendering to responding tactical officers.
...Read More
Links to Additional Sources (4)
See any mistakes?Victim Details
Mark Mecham
Male
White / Caucasian
Green River
WY
2017-04-03
67
Mark
Lemonte Mont Mecham
Yes
11/06/2025

