4 injured at USC campus shooting in Los Angeles - Article Photos 1/2

Los Angeles police officers investigate a shooting that occurred Wed. night at a halloween party on the University of Southern California Campus in Los Angeles on Thursday, Nov. 1, 2012. Los Angeles police say two men apprehended after a Halloween shooting on the USC campus are still being interviewed and three of the four people wounded have been released from the hospital. (AP Photo/Nick Ut)