The person at the center of this case
Oniel A Delrio
Missing Person · Open
156 days waiting
Missing Person: Oniel A Delrio
Justice for Oniel A Delrio — the trail went cold in 2026, but the truth hasn't.
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Key leads to think about
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contact
Lead #1Why did Oniel's phone go off and mailbox become full immediately after May 16th—was this intentional or indicative of an emergency?
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location
Lead #2What specific art/music festival was Oniel volunteering at, and did he actually arrive there or remain in Los Angeles?
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person
Lead #3As a high-functioning autistic individual with international travel experience, could Oniel have voluntarily relocated without notifying family?
Oniel A Delrio, a 40-year-old high-functioning autistic male, flew to California in late April 2026 to volunteer at an art/music festival and was last in contact with his mother on May 16, 2026 from the Los Angeles area. Since that date, his cell phone has been off and his voicemail is full, with no further communication despite his established pattern of staying in regular contact with family. His disappearance remains under investigation by the Clifton Police Department, and authorities are seeking information about his whereabouts and any sightings in the Los Angeles region.
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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.
👁️
witness
Lead #4Did anyone at the apartment complex near 933 Grattan St or the festival venue see Oniel after May 16th?
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Official wording
Source Narrative
NamUs case MP158903. Missing person: Oniel A Delrio.
Last known contact: 2026-05-16 in Los Angeles, Los Angeles, CA. Circumstances: Oniel Delrio flew to California at the end of April to volunteer at a art/music festival believed to be Burning Man.
Oniel was in constant phone contact with his mother looking for condo/apartment to rent in the Los Angeles area of 933 Grattan St but has since yet to make further contact since their last call on 5/16/26. No contact has been made since as his cell phone is off and unable to leave message as the mailbox is full.
According to his mother, Oniel is a high functioning autistic male who has traveled abroad in the past, and has a tattoo of a tiger on his right wrist. Demographics: 40 years, Male, Multiple.
Physical description: 5 ft 11 in, 161 lbs, hair: Black, eyes: Brown. Investigating agency: Clifton Police Department | 26-032775 | 2026-05-20.
Timeline of Events
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2026-04-30
Arrival in California
Oniel Delrio flew to California to volunteer at an art/music festival
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2026-05-16
Last Contact with Mother
Final phone call with his mother from Los Angeles area regarding apartment/condo rental search at 933 Grattan St
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:April 30, 2026
Last Updated:September 27, 2026
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Any information, no matter how small, could be crucial to solving this case.
Phone: 9734705908
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Case Information
Incident:April 30, 2026
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 9734705908
You can remain anonymous