The pop psychologists are out and the theories are starting on the mass shooter.
Fox News 'expert' and so called 'TLC Reality TV psychotherapist' (it appears she does have some degree) says he was angry because he was gay and couldn't deal with his homosexual feelings.
Fox News 'Expert': 'Homosexual Impulses' Probably Triggered Calif. Mass Shooting
A Feminist columnist on The Guardian is chalking it up to misogyny.
Elliot Rodger's California shooting spree: further proof that misogyny kills
The Shooter's Father is blaming the NRA though I haven't seen any indication that any realistic gun control legislation the NRA may have blocked would have prevented this. The guns were legally purchased and met the standards that President Obama had sought to put in place in his recent efforts. (Handguns with 10 rounds or less magazines.)