Missing Person · Unknown
57 years waiting · since 1969
Missing Person: Thomas Riha
Justice is overdue — the trail went cold in 1969, but the truth hasn't.
NamUs case MP32841. Missing person: Thomas Riha. Last known contact: 1969-03-15 in Boulder, Boulder, CO. Circumstances: Riha was last seen at a dinner party in Boulder, CO. His passport and other personal effects were later found in the home of a person of interest who committed suicide in 1971. Demographics: 39 years, Male, White / Caucasian. Physical description: 5 ft 10 in, 140 lbs, hair: Brown, eyes: Blue. Investigating agency: Boulder Police Department | P69-7940 | 1969-04-04.
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Case Information
Incident:March 15, 1969
Last Updated:June 29, 2026
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Phone: 3034413333
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Case Information
Incident:March 15, 1969
Last Updated:June 29, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3034413333
You can remain anonymous