Autopsy: Officer died of gunshot wound to chest

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OAKLAND, Calif. (AP) — An autopsy has revealed that a San Francisco Bay Area transit officer who was shot and killed by a fellow officer died of a single gunshot wound to the chest.

The results of the autopsy on Bay Area Rapid Transit police Sgt. Tom Smith were released Thursday by the Alameda County Sheriff's Office.

Smith was wearing a bulletproof vest, but Sheriff's spokesman J.D. Nelson said the bullet struck an area that was not covered.

The 42-year-old Smith was shot Tuesday while authorities searched a one-bedroom apartment in Dublin for items stolen during an armed holdup at a train station in Oakland.

Investigators are trying to determine whether the officer's gun discharged accidentally or he mistook Smith for someone else.

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