Elliot Rodger's mother contacted authorities after finding a video on her son's YouTube channel in which he threatens to kill people.
Three people were killed before the gunman ended the rampage by taking his own life in Tustin, Calif.
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Cop Cruiser Crashes happen more often than you think in the Washington area. Are officers being held accountable? And should you be paying the price? The I-Team investigates TONIGHT on ABC7 News at 11 after "Castle."