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Case Description
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Bertrand Detonnac, a 23-year-old white male, has been missing since March 5, 1985. He was last seen in New York, New York, and his case is considered a missing person case under unusual circumstances. At the time of his disappearance, Detonnac was 5 feet 7 inches tall and weighed approximately 120 pounds. He has black hair, brown eyes, and was known to have a mustache. The New York City Police Department's Missing Persons Squad is the primary investigating agency for this case.

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Last Seen: Mar 05, 1985
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Victim Details

Jan 01, 1970

Jan 01, 1970

Bertrand

Detonnac

23

White / Caucasian

Male

Mar 05, 1985

New York

New York

,

03/23/2026