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Michael Chung, an Oakland police sergeant placed on leave last year amid a misconduct investigation, attends a press conference on March 22, 2022. (Facebook)
(Source: Oakland Police Department press conference via Facebook Live, March 22, 2022.)
Michael Chung, an Oakland police sergeant placed on leave last year amid a misconduct investigation, attends a press conference on March 22, 2022. (Facebook)
Dan Borenstein, Columnist/Editorial writer for the Bay Area News Group is photographed for a Wordpress profile in Walnut Creek, Calif., on Thursday, July 28, 2016. (Anda Chu/Bay Area News Group)
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The actions of Sgt. Michael Chung have led to two outside probes of how the Oakland Police Department investigated wrongdoing by its own members, and to the eventual firing of Chief LeRonne Armstrong.

In March 2021, Chung left the scene of a vehicle collision in San Francisco without reporting the incident to police there. In April 2022, he discharged a service weapon in an elevator of the Oakland Police Administration Building.

The Oaklandside online news publication obtained a copy of the confidential review of the vehicle collision investigation and published it on its website in February.

Bay Area News Group has obtained a copy of the confidential review of the Police Department’s handling of the elevator discharge incident. We have redacted the names of people who were not central to the events that led to Armstrong’s firing. To read that report, click here.