The person at the center of this case
Alex Tunise Middleswart
Missing Person · Open
9 years waiting · since 2017
Missing Person: Alex Tunise Middleswart
Justice for Alex Tunise Middleswart — the trail went cold in 2017, but the truth hasn't.
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Key leads to think about
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person
Lead #1What were the circumstances that led to Alex's disappearance from the residence?
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witness
Lead #2Who was present at or near the San Juan residence on March 4, 2017?
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contact
Lead #3What was the nature of the last known contact on March 4, 2017, and who made it?
Alex Tunise Middleswart, a 32-year-old white male, disappeared from a residence in San Juan, California on March 4, 2017. Nearly a decade later, the circumstances surrounding his disappearance remain unclear, with limited public information about what may have happened. The Nevada County Sheriff's Office continues to seek information from anyone who may have had contact with Alex or knowledge of his whereabouts.
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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 #4Has any physical evidence or personal belongings been recovered since his disappearance?
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Official wording
Source Narrative
NamUs case MP40445. Missing person: Alex Tunise Middleswart.
Last known contact: 2017-03-04 in San Juan, Nevada, CA. Circumstances: Alex went missing from a residence in San Juan, California on 03/04/2017.
Demographics: 32 years, Male, White / Caucasian. Physical description: 6 ft 2 in, 175 lbs, hair: Brown, eyes: Blue.
Investigating agency: Nevada County Sheriff's Office | 1170717.
Timeline of Events
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2017-03-04
Alex Tunise Middleswart goes missing
Alex disappeared from a residence in San Juan, California on March 4, 2017. He was 32 years old at the time.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:March 4, 2017
Last Updated:September 27, 2026
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Phone: 5302651471
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Case Information
Incident:March 4, 2017
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 5302651471
You can remain anonymous