There's a partial portrait of Jared Lee Loughner -- the 22-year-old charged in the mass shooting Saturday which left Rep. Gabrielle Giffords (D-AZ) fighting for her life and several others, including federal judge John Roll, Giffords staffer Gabe Zimmerman and and a 9-year-old girl, dead -- emerging from the suspect's online tracks, interviews with former friends and classmates and law enforcement sources.
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Here's what we know so far: Loughner's classmates at his community college expressed worries about him, and he had at least five run ins with campus police which led to his suspension. Loughner dropped out of high school during his senior year. He was rejected from the Army, reportedly for failing a drug test. On YouTube and MySpace, he ranted against government "mind control" and illiteracy. We also know that Loughner's family were described as "loners" by neighbors.