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 there a reason he would have avoided court, or does his absence suggest something happened to him during the drive?
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vehicle
Lead #2What vehicle was Deza driving on July 29, 1991? Has it ever been located or identified?
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witness
Lead #3Were there any other witnesses besides his roommate who saw Deza that morning or during his journey toward Napa?
Juan Deza, a 35-year-old Hispanic male, disappeared on July 29, 1991, in Ventura, California, while traveling to Napa for a scheduled child custody court hearing that he failed to attend. He was last seen by his roommate that morning en route to Napa, and his sudden disappearance coinciding with the missed court appearance raised immediate concerns about foul play. Despite decades of investigation by the Ventura Police Department, the circumstances surrounding his vanishing remain unknown, and anyone with information about his whereabouts or what happened that day is urged to come forward.
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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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location
Lead #4What was the intended route from Ventura to Napa? Were there any stops or detours Deza might have made?
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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, California, en route to Napa for a child custody 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, marking the beginning of his disappearance.
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