
The person at the center of this case
Collin Biondo
Justice for Collin Biondo — the trail went cold in 2025, but the truth hasn't.
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Why has Collin not contacted family for several weeks when regular contact is his normal pattern?
What circumstances or events occurred around October 11, 2025, that may have prevented him from maintaining contact?
Did anyone see Collin in Interlochen or the surrounding area after October 11, 2025?
Collin Biondo, a 38-year-old white male, was last contacted on October 11, 2025, in Interlochen, Michigan. His family reports he has not been heard from in several weeks, which is unusual for him as he typically maintains regular contact. The Michigan State Police are actively investigating his disappearance and seeking information from the public.
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Official wording
NamUs case MP153343. Missing person: Collin Biondo.
Last known contact: 2025-10-11 in Interlochen, Grand Traverse, MI. Circumstances: Mr.
Biondo hasn't been heard from by family in several weeks. Although not out of character to not contact for a week or so, any longer does seem out of character for him.
Demographics: 38 years, Male, White / Caucasian. Physical description: 5 ft 6 in, 156 lbs, hair: Black, eyes: Hazel.
Investigating agency: Michigan State Police - Traverse City Post | 75-3695-25 | 2025-12-02.
Collin Biondo was last contacted in Interlochen, Grand Traverse County, Michigan.
Any information, no matter how small, could be crucial to solving this case.
Any information, no matter how small, could be crucial to solving this case.