Three weeks before he killed six college students, police visited the home of Elliot Rodger. They didn’t search his apartment (where they would have found his stash of guns) because they didn’t consider him a threat.

+ NYT’s Room for Debate asks the question: “Do the laws regarding mental health professionals’ duty to warn the authorities of a threat need to be toughened to make them more effective?”

+ The New Yorker: The online life of Elliot Rodger.