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

Case Description

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Kevin Duane Marshall, a 38-year-old man from Eagle Butte, South Dakota, on the Cheyenne River Sioux Reservation, was last seen by his mother on May 19, 2016. He was at his mother's home and was expected to travel to Rapid City to attend his eldest daughter's high school graduation, which was scheduled for May 21st. Marshall never arrived at the graduation ceremony and has not been seen or heard from since. His absence from this significant family event was considered uncharacteristic, despite a ...Read More
Last Seen: May 19, 2016

Victim Details

Jul 27, 2016

Jan 12, 2024

Kevin

Marshall

46

38

70 inches

71 inches

165 lbs

190 lbs

American Indian / Alaska Native

Male

May 19, 2016

Eagle Butte

South Dakota

Dewey County

Yes

24985

Cheyenne River Sioux Tribal Police

Eagle Butte

South Dakota

Dewey County

57625

Larry LeBeau

Detective

2105 D Street, South Dakota

6059644567

Tribal

Law Enforcement

1611570

Cheyenne River Sioux Tribal Police

Black

Brown

Brown

06/04/2026


Area Last Seen: