Friends, co-workers: Shooting suspect had curious, dark change, by G. Strauss, P. Eisler, J. Gillum, W. Welch

A chilling mug shot and a brief court appearance Monday gave the nation its first glimpse of accused mass murderer Jared Loughner....  Jeffrey Lieberman, chairman of the Columbia University Department of Psychiatry in New York City, says, "The path that led to Jared Loughner's horrific actions is, sadly, neither uncommon nor unprecedented. "He is a troubled youth who has exhibited signs of serious mental illness for years, which in his case were cast in the context of political ideology and rhetoric. ... The limited information that has emerged about him strongly suggests that he suffered from a treatable psychotic disorder. These tragedies can be prevented but require the social and political will to do so."
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http://www.usatoday.com/news/washington/2011-01-11-1Ashooting11_CV_N.htm...