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

Case Description

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In the spring of 1988, a 34-year-old Native American woman named Mary Eleanor Thacker, who also went by the name Mary Sargent, vanished from the Reno-Sparks Indian Colony in Nevada. An enrolled member of the Washoe Tribe, Mary was a mother with a family rooted in her community. When she was last seen, she was reportedly in the company of her boyfriend. Authorities later questioned him about her disappearance, but he denied having any knowledge of what happened to her and has since passed away. T ...Read More
Last Seen: May 06, 1988

Victim Details

Aug 07, 2022

Mar 18, 2024

Mary

Thacker

70

34

61 inches

150 lbs

American Indian / Alaska Native

Female

May 06, 1988

Reno Sparks Indian Colony

Nevada

Washoe County

Yes

117590

Western Nevada Agency - Bureau of Indian Affairs

Carson City

Nevada

Carson City

89701

Matthew Ousley

Criminal Investigator

311 East Washington Street, Nevada

7758873500

Tribal

Law Enforcement

BO22141271

Western Nevada Agency - Bureau of Indian Affairs

5025

Brown

Brown

Brown

05/23/2026


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