The person at the center of this case
Juan Deza
Missing Person · Open
34 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 #1Why did Deza fail to appear for the custody hearing—was he prevented from traveling, or did something happen en route from Ventura to Napa?
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witness
Lead #2What did his roommate observe about his condition, demeanor, or vehicle before he left for Napa?
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location
Lead #3What route would Deza have taken from Ventura to Napa, and were there any stops or detours mentioned?
Juan Deza, a 35-year-old Hispanic male, disappeared on July 29, 1991, while traveling from Ventura to Napa for a scheduled child custody court hearing that he never attended. He was last seen by his roommate in Ventura that morning, and his whereabouts remain unknown after more than three decades. The circumstances of his disappearance—missing a critical court date—suggest foul play or an unexpected emergency that prevented him from reaching his destination.
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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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clue
Lead #4Has any trace of Deza or his vehicle been discovered along the Ventura-to-Napa corridor in the decades since his disappearance?
Have information about any of these leads?
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 in Ventura
Juan Deza was last seen by his roommate in Ventura on his way to Napa for a child custody hearing.
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1991-07-29
Failed to Appear in Court
Deza did not show up for his scheduled child custody hearing in Napa Court.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:July 29, 1991
Last Updated:June 2, 2026
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Phone: 8053394400
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Case Information
Incident:July 29, 1991
Last Updated:June 2, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 8053394400
You can remain anonymous