1 Dallas police officer dead, 2 wounded in Oak Cliff shooting; suspect shot and killed CBS NewsOfficers Injured, One Officer Killed In the 900 block E. Ledbetter Drive DPD BeatHere’s what to know about For Oak Cliff The Dallas Morning NewsFather of suspected Dallas police shooter said his son had been acting strange recently WFAA.comDallas police shooting suspect: Here’s what we know about Corey Cobb Bey FOX 4 News Dallas-Fort Worth