The person at the center of this case
Douglas Mantei
Missing Person · Open
5 years waiting · since 2020
Missing Person: Douglas Mantei
Justice for Douglas Mantei — the trail went cold in 2020, but the truth hasn't.
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Key leads to think about
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person
Lead #1What were the circumstances that brought Douglas Mantei to the Wailuku Police Station on October 2, 2020?
💡
clue
Lead #2Given his possible homelessness, what shelters, encampments, or community resources in the Wailuku area might have records of contact after his disappearance?
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witness
Lead #3Who was present at or near the Wailuku Police Station when Douglas Mantei left on October 2, 2020?
Douglas Mantei, a 44-year-old white male, was last seen on October 2, 2020, leaving the Wailuku Police Station in Maui, Hawaii. He may have been experiencing homelessness at the time of his disappearance. The circumstances of his disappearance and current whereabouts remain unknown, and the case remains open with the Maui County Police Department.
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Official wording
Source Narrative
NamUs case MP85832. Missing person: Douglas Mantei.
Last known contact: 2020-10-02 in Wailuku, Maui, HI. Circumstances: Douglas Mantei was last seen leaving the Wailuku Police Station on 10/02/2020.
He may be experiencing homelessness. Demographics: 44 years, Male, White / Caucasian.
Physical description: 6 ft 0 in, 190 lbs, hair: Brown, eyes: Blue. Investigating agency: Maui County Police Department and Coroner | 20-036661 | 2000-10-13.
Timeline of Events
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2020-10-02
Last seen leaving Wailuku Police Station
Douglas Mantei was last known to have contact on October 2, 2020, when he was seen leaving the Wailuku Police Station in Wailuku, Maui, Hawaii.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:October 2, 2020
Last Updated:September 5, 2026
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Phone: 8082446400
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Case Information
Incident:October 2, 2020
Last Updated:September 5, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 8082446400
You can remain anonymous