The person at the center of this case
Glenn Allen Tweten
Missing Person · Open
48 years waiting · since 1978
Missing Person: Glenn Allen Tweten
Justice for Glenn Allen Tweten — the trail went cold in 1978, but the truth hasn't.
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Key leads to think about
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person
Lead #1What were Glenn's activities and associations in Amanda Park in late 1977 and early 1978?
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witness
Lead #2Did anyone see Glenn on or around January 1, 1978, or in the days leading up to his disappearance?
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clue
Lead #3Why was the case not investigated by Kitsap County Sheriff's Office until 2019, over 40 years later?
Glenn Allen Tweten, a 23-year-old white male, disappeared in January 1978 from Amanda Park in Grays Harbor County, Washington, and has not been seen by family since. Nearly five decades later, the circumstances of his disappearance remain unclear, with no confirmed sightings or developments in the case. Anyone with information about Glenn's whereabouts or what happened to him is urged to contact the Kitsap County Sheriff's Office.
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Official wording
Source Narrative
NamUs case MP54740. Missing person: Glenn Allen Tweten.
Last known contact: 1978-01-01 in Amanda Park, Grays Harbor, WA. Circumstances: Glenn has not been seen by family since 1978.
Demographics: 23 years, Male, White / Caucasian. Physical description: 5 ft 6 in, 170 lbs, hair: Brown, eyes: Brown.
Investigating agency: Kitsap County Sheriff's Office | K19-000583 | 2019-01-16.
Timeline of Events
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1978-01-01
Glenn Allen Tweten disappears
Glenn Allen Tweten, age 23, was last seen in Amanda Park, Grays Harbor County, Washington. He has not been in contact with family since this date.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:January 1, 1978
Last Updated:June 14, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 3603377101
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Case Information
Incident:January 1, 1978
Last Updated:June 14, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3603377101
You can remain anonymous