FILE - In this Oct. 2020, file photo, protesters and police line up in Wauwatosa, Wis., in the case against Wauwatosa Police Officer Joseph Mensah for the Feb. 2 fatal shooting of 17-year-old Alvin Cole at Mayfair Mall. A Wisconsin judge was set to announce Wednesday, July 28, 2021, whether he will invoke a rarely used process to charge Mensah in the 2016 slaying of a Black man who was sitting in a parked car. (AP Photo/Morry Gash, File)
MADISON, Wis. (AP) — A Wisconsin judge charged a police officer Wednesday in the 2016 slaying of a Black man who was sitting in a parked car, taking the rare step of overruling prosecutors years after they declined to charge the officer.