The person at the center of this case
Collin Biondo
Missing Person · Open
1 year waiting · since 2025
Missing Person: Collin Biondo
Justice for Collin Biondo — the trail went cold in 2025, but the truth hasn't.
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Key leads to think about
⏰
timeline
Lead #1Why did the family wait several weeks before reporting him missing if longer periods without contact seemed out of character?
👁️
witness
Lead #2Have neighbors or local residents in Interlochen reported any sightings or unusual activity around October 11, 2025?
📞
contact
Lead #3What was the nature and context of the last contact on October 11—phone call, text, in-person meeting?
Collin Biondo, a 38-year-old white male, was last known to have contact on October 11, 2025, in Interlochen, Michigan. Family members report he has not been heard from in several weeks, which is unusual behavior for him despite occasional gaps in communication. The Michigan State Police are actively investigating his disappearance and seeking any information that could help locate him.
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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.
💡
clue
Lead #4Does Collin have a vehicle, and if so, has it been located or seen since his disappearance?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
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.
Timeline of Events
👁️
2025-10-11
Last Known Contact
Collin Biondo was last known to have contact with family in Interlochen, Grand Traverse County, Michigan.
🕵️
2025-12-02
Case Reported to NamUs
Michigan State Police - Traverse City Post filed case MP153343 after family reported extended period without contact.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:October 11, 2025
Last Updated:September 26, 2026
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Phone: 2319464646
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Case Information
Incident:October 11, 2025
Last Updated:September 26, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 2319464646
You can remain anonymous