A police officer was shot and killed Monday night while conducting a traffic stop on Chicago’s South Side, according to local officials. Another occupant of the vehicle was also killed and a second police officer was run over by one of the suspects. The incident happened at 8:05 p.m. when 6th (Gresham) District officers conducted a stop on a vehicle occupied by 3 people in the 8000 block of S. Ingleside on Chicago’s South Side, according to a statement from the Chicago Police Department. “One of the occupants discharged a firearm towards officers, striking one officer and one occupant of the v…