The person at the center of this case
Dean Muccillo
Missing Person · Open
135 days waiting
Missing Person: Dean Muccillo
Justice for Dean Muccillo — the trail went cold in 2026, but the truth hasn't.
Start here
Key leads to think about
🔍
evidence
Lead #1Where did the bicycle accident occur and which hospital, if any, treated Dean Muccillo for injuries?
👁️
witness
Lead #2Did anyone witness a bicycle accident involving a 57-year-old male in the Anaheim area in early February 2026?
💡
clue
Lead #3Has Dean been seen at any homeless shelters, hospitals, or social services facilities in Orange County since January 20, 2026?
Dean Muccillo, a 57-year-old white male, was last known to be homeless in Anaheim, California on January 20, 2026. His sister reported he may have been involved in a bicycle accident around the time of his disappearance, but the location of the accident and which hospital he may have been taken to remain unknown. The Anaheim Police Department is actively investigating his disappearance and seeks information about his whereabouts and the circumstances surrounding the reported accident.
Try asking
Claim this imported case
A one-time $10 claim transfers this imported case workspace to your account. You get 10 uploads for this case, 25 daily AI questions for this case, and public tips with files route to you.
10 uploads25 AI questions/day
This does not start a subscription. When the included limits are reached, the Personal plan unlocks more workspace capacity.
Official wording
Source Narrative
NamUs case MP159047. Missing person: Dean Muccillo.
Last known contact: 2026-01-20 in Anaheim, Orange, CA. Circumstances: Dean was last known to be experiencing homeless near Anaheim, CA.
According to his sister he was involved in a bicycle accident at an unknown location in February of 2026 at about the time he was reported missing. His sister was not sure where the accident occurred or what hospital he was taken to.
Demographics: 57 years, Male, White / Caucasian. Physical description: 5 ft 11 in, 170 lbs, hair: Brown, eyes: Brown.
Investigating agency: Anaheim Police Department | 26-23749 | 2026-02-18.
Timeline of Events
👁️
2026-01-20
Last Known Contact
Dean Muccillo was last known to be in Anaheim, CA experiencing homelessness.
🕵️
2026-02-18
Case Reported to Police
Anaheim Police Department opened investigation case MP159047 after Dean's sister reported him missing and mentioned a possible bicycle accident in February 2026.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:January 20, 2026
Last Updated:June 4, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 7147651900
You can remain anonymous
Leave a comment
Comments
Case Information
Incident:January 20, 2026
Last Updated:June 4, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 7147651900
You can remain anonymous