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Missing person flyer for Semajanea Castle

Semajanea Castle, 15

San Leandro, CA
✓ Verified — last checked Nov 3, 2026
LOCATED — this person has been located. Please do not repost this alert.
Missing since: Oct 31, 2026
Last seen: 163rd Ave. and Mateo St., San Leandro, California — last seen October 31, 2026, at approximately 2:00 PM; believed to be on foot.
Investigating agency: Alameda County Sheriff's Office
Alameda County Sheriff's Office
911TAP TO CALL
Official source: view the official record
Details: 15-year-old female, 5'0", 136 lbs, red hair, brown eyes; wearing a black shirt and blue pants. Last seen October 31, 2026, at approximately 2:00 PM at 163rd Ave. and Mateo St., San Leandro, California; believed to be on foot. If seen, call 9-1-1.

CASE TIMELINE

Nov 2, 2026
Reported
Alert received and entered into the network.
Nov 3, 2026
Located

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