The person at the center of this case
Michael William Grimm
Missing Person · Open - Investigated as Homicide
25 years waiting · since 2000
Missing Person: Michael William Grimm
Justice for Michael William Grimm — the trail went cold in 2000, but the truth hasn't.
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Key leads to think about
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contact
Lead #1Who made the anonymous call to Grimm's family in January 2001, and how did they know details about his death?
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suspect
Lead #2What was Grimm's activity and associations in Palm Springs on November 23, 2000?
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evidence
Lead #3Has any physical evidence or remains been recovered to confirm the anonymous caller's claim of a shooting?
Michael William Grimm, a 33-year-old white male, was last seen in Palm Springs, California on November 23, 2000, and has never been heard from since. In January 2001, his family received an anonymous call claiming he had been shot to death shortly after his disappearance—a claim investigators have not confirmed but consider credible enough to treat the case as a potential homicide. Both California and Texas authorities continue investigating, seeking information about his final days and the identity of the anonymous caller.
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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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witness
Lead #4Were there any witnesses to Grimm's movements or interactions in Palm Springs or West Hollywood during late November 2000?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP39. Missing person: Michael William Grimm.
Last known contact: 2000-11-23 in West Hollywood, Los Angeles, CA. Circumstances: Grimm was last seen in Palm Springs, California on November 23, 2000.
He has never been heard from again. He has links to West Hollywood, San Francisco, and Los Angeles, California.
He has ties to Miami, Florida and to Houston, Texas, well; he grew up in those areas and in southern California. Both California and Texas police are investigating his disappearance.
In January 2001, Grimm's family received an anonymous telephone call; the caller stated that Grimm had been shot to death shortly after his disappearance. This information has not been confirmed, but investigators consider his disappearance suspicious and foul play is possible in Grimm's case.
His case remains unsolved and is being investigated as a homicide. Demographics: 33 years, Male, White / Caucasian.
Physical description: 6 ft 0 in, 175 lbs, hair: Brown, eyes: Blue. Investigating agency: Los Angeles County Sheriffs Department | 005-00061-3199-400 | 2001-01-14.
Timeline of Events
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2000-11-23
Last Seen in Palm Springs
Michael William Grimm was last seen in Palm Springs, California on this date.
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2001-01-14
Anonymous Call to Family
Grimm's family received an anonymous telephone call stating that Grimm had been shot to death shortly after his disappearance. This claim remains unconfirmed but is being treated seriously by investigators.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:November 23, 2000
Last Updated:July 24, 2026
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Case Information
Incident:November 23, 2000
Last Updated:July 24, 2026