Kelly Dever, a controversial witness in the Karen Read murder retrial who testified to having a “false memory,” has resigned from the Boston Police Department.

Dever’s resignation became effective on Sept. 1, according to a personnel order the department just released. The order does not detail the circumstances of the officer’s departure.

“The resignation of Police Officer Kelly Dever, ID# 173471, assigned to BAT/Leave of Absence Section, Org. #36135, after being presented, is hereby effective September 1, 2025,” the order states.

Dever, who earned $143,561.65 in total pay last year, per city payroll records, did not testify in the first Read murder trial. Her testimony in the retrial this past spring, though, cast doubt on her truthfulness.

Dever was working as a patrol officer in Ca

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