New Revelations in Deadly South LA Fire

Investigators found there were no working fire alarms in a converted garage that erupted into flames Wednesday morning. Fire officials are also looking into how firefighters missed the chance to save a mother and child little more than an hour before the deadly fire claimed their lives. Gordon Tokumatsu reports from South Los Angeles for the NBC4 News at 5 p.m. on Thursday, March 6, 2014.