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 witnesses who saw Glenn on or around January 1, 1978 in the Amanda Park area?
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clue
Lead #3Why was the case not investigated by Grays Harbor County authorities initially, and what prompted Kitsap County Sheriff's involvement in 2019?
Glenn Allen Tweten, a 23-year-old 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 unclear, with no confirmed sightings or leads documented. His case remains open with the Kitsap County Sheriff's Office, and anyone with information about his whereabouts is urged to come forward.
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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timeline
Lead #4What specific circumstances led to Glenn being reported missing, and how much time elapsed before his disappearance was formally reported?
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Even the smallest detail could be the key to solving this case.
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 14, 2026
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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