A judge ordered 49-year-old Robert Muhammad into a mental health diversion program.
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EXCLUSIVE: SF firefighter describes brutal 2022 attack by colleague
Neither he nor his attorney would comment after Wednesday's hearing.
The Alameda County courtroom was packed with his friends and supporters.
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Muhammad attacked fellow firefighter Gabriel Shin at Shin's Oakland home after he refused to disclose which firefighters were gossiping about Muhammad's family.
Shin suffered two broken arms and a concussion in the attack.