People who knew Colorado theater shooting suspect are baffled - latimes

The suspect in the Colorado shooting Friday was described as a shy but polite, highly intelligent young man with a gift for science. He grew up in an affluent suburb of San Diego, played soccer and ran cross-country in high school, and graduated with honors at UC Riverside with a degree in neuroscience. - People who knew Colorado theater shooting suspect are baffled
Tearful vigils remember victims of Aurora massacre
The Colorado shooting and the stigma of being a loner - Karin Klein