The person at the center of this case
Juan Deza
Missing Person · Open
35 years waiting · since 1991
Missing Person: Juan Deza
Justice for Juan Deza — the trail went cold in 1991, but the truth hasn't.
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Key leads to think about
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timeline
Lead #1What happened during the drive from Ventura to Napa on July 29, 1991? Did Deza encounter vehicle trouble, an accident, or foul play?
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witness
Lead #2Has anyone come forward who saw Deza on the road to Napa or at any location between Ventura and Napa on that date?
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clue
Lead #3Were there any reports of his vehicle being found abandoned or involved in an incident in the intervening years?
Juan Deza, a 35-year-old Hispanic male, disappeared on July 29, 1991, in Ventura, California, while traveling to Napa for a child custody court hearing that he failed to attend. His roommate was the last person to see him that morning as he left for Napa. Despite decades of investigation, the circumstances of his disappearance remain unknown, and authorities continue to seek information about what happened to him during that fateful journey.
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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.
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person
Lead #4What was the nature of the custody dispute, and could it have motivated someone to harm or detain Deza?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP158947. Missing person: Juan Deza.
Last known contact: 1991-07-29 in Ventura, Ventura, CA. Circumstances: Deza was due in Napa Court for child custody hearing and did not show up.
Deza was last seen by his roommate in Ventura on 7/29/91 enroute to Napa. Demographics: 35 years, Male, Hispanic / Latino.
Physical description: 5 ft 7 in, 145 lbs, hair: Black, eyes: Brown. Investigating agency: Ventura Police Department | 91-11061.
Timeline of Events
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1991-07-29
Last Seen by Roommate
Juan Deza was last seen by his roommate in Ventura on the morning of July 29, 1991, as he was leaving to travel to Napa for a court hearing.
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1991-07-29
Failed to Appear in Court
Deza did not appear for his scheduled child custody hearing in Napa Court on July 29, 1991.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:July 29, 1991
Last Updated:September 27, 2026
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Phone: 8053394400
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Case Information
Incident:July 29, 1991
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 8053394400
You can remain anonymous