Alameda County Sheriff’s Office / Alameda County Sheriff’s Office

Inside the Oakland residence of a teenager wanted in a robbery that occurred on an AC Transit bus, police uncovered an arsenal of illicit weapons, including a fully-automatic assault rifle and a semiautomatic rifle with the serial number scratched off.

Alameda County sheriff’s deputies arrested Tyheir Bolden, 18, on suspicion of 11 robbery and weapons related felonies after after executing a search warrant on his home on 20th Street in Oakland on Tuesday, officials said.