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Case Description
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Diane Lynn Medicinehorse, a 26-year-old Native American woman, was last seen on September 28, 1981, in Crow Agency, Montana. That day, she dropped her father off at her uncle’s residence before driving away in her white car. Despite this being the last confirmed sighting, she was not immediately reported missing. Due to her history of alcohol abuse and periodic absences, her disappearance was not considered unusual at first. However, concerns escalated when she failed to attend her mother's fu ...Read More
Last Seen: Sep 28, 1981
Last Seen: Sep 28, 1981
Links to Additional Sources (10)
See any mistakes?Victim Details
Feb 25, 2019
Mar 26, 2024
Diane
Medicinehorse
69
26
62 inches
130 lbs
140 lbs
American Indian / Alaska Native
Female
Sep 28, 1981
Crow Agency
Montana
Big Horn County
Yes
388
48391
Bureau of Indian Affairs - Crow Agency
Crow Agency
Montana
Big Horn County
59022
Jose Figueroa
Special Agent
Weaver Drive, BIA Building #2, Montana
4066382632
Federal
Law Enforcement
BO19126939
2019-10-07
Bureau of Indian Affairs - Crow Agency
na
Black
Brown
Brown
11/29/2025
Area Last Seen:







