CNN CNN Newsroom June 14, 2013 19:08:00
You hear the police chief saying it was a farewell note. they're not characterizing it as a suicide note. the remorse he expressed about his father and brother, almost more brief mentions. he took lengths and lengths to say farewell to his friends, brooke. that's how police are characterizing it. a disappointment for investigators, it doesn't reveal as much as they had hoped as far as his motivations. >> about what about the gun? we're learning he built this gun. how did he do this? >> this is certainly going to alarm a lot of people, especially here in the state of california where laws are c...