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
⏰
timeline
Lead #1What were the specific circumstances of John Mann's last contact on December 1, 1997?
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witness
Lead #2Were there any witnesses who saw John Mann around the time of his disappearance?
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clue
Lead #3What investigative leads or evidence has been developed since 1997?
John Mann, a 35-year-old white male, was last known to have contact on December 1, 1997, in Philadelphia, Pennsylvania. The circumstances of his disappearance remain unclear, and no recent developments have been publicly reported. Anyone with information about John Mann's whereabouts is urged to contact the Philadelphia Police Department.
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 was last known to have contact on December 1, 1997, in Philadelphia, Pennsylvania.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:December 1, 1997
Last Updated:August 6, 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:August 6, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 2156863093
You can remain anonymous