The person at the center of this case
John Mann
Missing Person · Open
28 years waiting · since 1997
Missing Person: John Mann
Justice for John Mann — the trail went cold in 1997, but the truth hasn't.
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Key leads to think about
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witness
Lead #1Were there any witnesses who saw John Mann on or around December 1, 1997 in Philadelphia?
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clue
Lead #2What circumstances led to the loss of contact with John Mann on December 1, 1997?
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evidence
Lead #3Has any physical evidence or remains been discovered that could be linked to this case?
John Mann, a 35-year-old white male, was last known to have contact on December 1, 1997, in Philadelphia, Pennsylvania. Nearly three decades later, his disappearance remains unsolved with no confirmed sightings or recovery. The Philadelphia Police Department continues to seek information that could help locate him or determine his fate.
Case
#3486
Philadelphia Police Department - 24th District (East Division)
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Official wording
Source Narrative
NamUs case MP8568. Missing person: John Mann.
Last known contact: 1997-12-01 in Philadelphia, Philadelphia, PA. Demographics: 35 years, Male, White / Caucasian.
Physical description: 5 ft 7 in, 170 lbs, hair: Brown, eyes: Brown. Investigating agency: Philadelphia Police Department - 24th District (East Division) | 01-08-014906 | 2001-04-05.
Timeline of Events
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1997-12-01
Last Known Contact
John Mann, age 35, was last known to have contact in Philadelphia, PA on December 1, 1997.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:December 1, 1997
Last Updated:September 28, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 2156863093
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Case Information
Incident:December 1, 1997
Last Updated:September 28, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 2156863093
You can remain anonymous