Police are investigating a shooting on the North Side that left a young woman in critical condition. Officers responded about 7:40 p.m. to a reported shooting on Broadway at Ridgecrest. They found a woman in her early 20s who had been shot in the back. She's in critical condition at University Hospital. Police are questioning two men who were in a nearby car. They reportedly told officers they heard the shooting, but police believe the shot came from inside the vehicle. Investigators haven't found the gun.