turning in their weapons today in exc topping the news this morning, a major gun recall has oakland officers turning in their weapons today, in exchange for new ones. the recall affects about a third of the force. officers who have glock 4 pistols, because of a mechanical problem with the device in the gun called the recoil spring; instead of one spring, the new glock 4 was designed with two springs that are supposed to mat gun more stable. officers will be returning these guns throughout the weekend. the police department is not saying whether glock can retrofit these guns or if new guns must be ordered. today, oakland detectives are investigating two deadly shootings, the first at 1:00 yesterday afternoon. officers found a man who had been shot on 34th street. he later passed away at the hospital. less than 12 hours later, officers found another person who had been shot on 90th avenue. no word if the shootings are related. the hunt continues for a freeway shooter in t