Police respond to a report of a shooting after the bodies of four people were found outside a boarding house in Northridge, Calif., Sunday, Dec. 2, 2012. (AP Photo/Los Angeles Times, Francine Orr) MANDATORY CREDIT  NO MAGS, NO SALES NO FOREIGN NO TELEVISION, INTERNET.  LOS ANGELES DAILY NEWS, ORANGE COUNTY REGISTER, VENTURA COUNTY STAR, INLAND VALLEY DAILY BULLETIN, AND LA OPINION OUT Photo: Francine Orr