A former Cedar Hill police officer was sentenced to 300 days in the Ellis County Jail after a jury convicted him of official oppression stemming from his conduct during a 2024 traffic stop, according to the Ellis County and District Attorney's Office.

Former Cedar Hill officer convicted What we know: Donald Najee Mercer, of Dallas County, was convicted June 10 of a misdemeanor offense and was ordered to serve jail time after jurors rejected probation.

According to trial testimony, Mercer stopped a woman in Cedar Hill on August 7, 2024, while driving an officer patrol vehicle and wearing his Cedar Hill police uniform.