
The person at the center of this case
Zhivago Mark Anthony Riley
Justice for Zhivago Mark Anthony Riley โ the trail went cold in 2026, but the truth hasn't.
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Blue e-bike - was it recovered or spotted anywhere after August 27?
Why was Zhivago in Gainesville on August 27, and where was he headed?
Who saw Zhivago that evening and what were the circumstances of the last sighting?
Zhivago Mark Anthony Riley, a 17-year-old male, was last seen on August 27, 2026, at approximately 6 pm in Gainesville, Florida, riding a blue e-bike and wearing a white LSW t-shirt and gray shorts. The circumstances of his disappearance remain unclear, and investigators are seeking any information about his whereabouts. Anyone with information about Zhivago's location or activities after that evening is urged to contact the Alachua County Sheriff's Office.
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Beyond the top three above โ each detail below could be the thread that pulls this case open.
Has anyone reported sightings of a tall 17-year-old male matching his description since his disappearance?
Even the smallest detail could be the key to solving this case.
Official wording
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.
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.
Alachua County Sheriff's Office opened investigation case MP162839 (26-07249).
Any information, no matter how small, could be crucial to solving this case.
Any information, no matter how small, could be crucial to solving this case.