school band but in junior year something happened. his friends say he began to use drugs and he never returned for his senior year. he presented himself as an avid reader. among his favorites books that dealt with totalaritsm. i can't trust the government. the government is implying mind control and brainwash on the people by controlling grammar. >> i understand the thing about the grammar. there's a group or a person that talks about how grammar is used to control the population and so i hear that he's picking up that from someone else too. he's been influenced by other people. >> reporter: in 2005 loughner began taking classes at pima