A Boston police officer who squared off with Karen Read ’s lawyers over claims of a “false memory” has resigned, the department confirmed.

Officer Kelly Dever had been on family medical leave since earlier in the summer. Her resignation became effective Sept. 1, according to the Boston Police Department.

Released Friday, the personnel order shed no further light on the circumstances surrounding Dever’s resignation.

Dever, who took the stand during Read’s second murder trial, faced intense public scrutiny following a combative line of questioning from defense attorney Alan Jackson. She testified that she was working as a patrol officer in Canton when Read’s boyfriend, John O’Keefe, was found unresponsive on a snowy lawn there in January 2022.

While prosecutors accused Read of drunke

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