Crime Solvers Central
CSC
251 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

Any updates on this case? Let us know!
Allen Clarence Theis, a 52-year-old man from Eden Valley, Minnesota, traveled to Lewistown, Montana, in November 2003 for a hunting and rock-collecting vacation. He checked into the Super 8 motel on November 22, with the intention of staying for two nights. Theis, described as a responsible and avid outdoorsman, had informed his mother he would return home by the end of the month.

Theis failed to check out of his motel on November 24, and two days later, on November 26, he was reported ...Read More
Last Seen: Nov 22, 2003

Victim Details

Jan 27, 2026

Jan 27, 2026

Allen

Clarence Theis

52

52

5'10 inches

160 lbs

White / Caucasian

Male

Nov 22, 2003

Lewistown

Montana

Lewistown

Fergus County Sheriff's Office

406-535-3415

05/21/2026