The person at the center of this case
Zhivago Mark Anthony Riley
Missing Person · Open
66 days waiting
Missing Person: Zhivago Mark Anthony Riley
Justice for Zhivago Mark Anthony Riley — the trail went cold in 2026, but the truth hasn't.
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Key leads to think about
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vehicle
Lead #1Blue e-bike - what route was Zhivago taking and where might the bike be now?
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timeline
Lead #2Why was there a 3-day gap between the last sighting on 8/27 and the case being reported on 8/30?
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witness
Lead #3Were there any witnesses who saw Zhivago or the blue e-bike in Gainesville that evening?
Zhivago Mark Anthony Riley, a 17-year-old male, was last seen on August 27, 2026, around 6 pm in Gainesville, Florida, riding a blue e-bike and wearing a white LSW t-shirt and gray shorts. He has not been located since that evening, and circumstances surrounding his disappearance remain unclear. Anyone with information about Zhivago's whereabouts is urged to contact the Alachua County Sheriff's Office.
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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 #4Does Zhivago have known locations he frequented in Gainesville that should be searched?
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Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
NamUs case MP162839. Missing person: Zhivago Mark Anthony Riley.
Last known contact: 2026-08-27 in Gainesville, Alachua, FL. Circumstances: Zhivago was last seen on 8/27/26 at around 6 pm.
Demographics: 17 years, Male, Black / African American. Physical description: 6 ft 3 in, 175 lbs, hair: Black, eyes: Brown.
Clothing and accessories: Clothing: LSW white t-shirt, gray shorts; Other: Riding a blue e-bike. Investigating agency: Alachua County Sheriff's Office | 26-07249 | 2026-08-30.
Timeline of Events
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2026-08-27
18:00Last Sighting
Zhivago Mark Anthony Riley was last seen at approximately 6 pm in Gainesville, riding a blue e-bike, wearing a white LSW t-shirt and gray shorts.
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2026-08-30
Case Reported
Alachua County Sheriff's Office opened investigation case MP162839.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:August 27, 2026 at 6:00 PM
Last Updated:September 27, 2026
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Phone: 3523674000
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Case Information
Incident:August 27, 2026 at 6:00 PM
Last Updated:September 27, 2026
Have Information?
Any information, no matter how small, could be crucial to solving this case.
Phone: 3523674000
You can remain anonymous