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 #2Are there any former neighbors, friends, or acquaintances from Amanda Park who remember Glenn or observed anything unusual around the time of his disappearance?
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clue
Lead #3Why was the case transferred to Kitsap County Sheriff's Office in 2019, and what prompted the reinvestigation after 41 years?
Glenn Allen Tweten, a 23-year-old white male, disappeared in Amanda Park, Grays Harbor County, Washington in January 1978 and has not been seen by family since. Nearly five decades later, the circumstances of his disappearance remain unknown, with no confirmed sightings or leads documented in available records. The Kitsap County Sheriff's Office continues to investigate this cold case, and anyone with information about Glenn's whereabouts or what happened to him is urged to come forward.
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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
Last Known Contact
Glenn Allen Tweten was last seen in Amanda Park, Grays Harbor County, Washington. He has not been seen by family since this date.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:January 1, 1978
Last Updated:June 10, 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 10, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3603377101
You can remain anonymous