NEW : Source : The suspect had a journal at home describing ` ` what he wanted to do But he did n't disclose everything , including the preteen shooter 's possible motive . '' NEW : His father bought the gun used in shooting at Walmart ; other guns were picked up . This year - old is accused of shooting 2 people in his school 's gymnasium . His parents say a judge ordered that their son receive mental health treatment .
NEW : Source : The suspect had a journal at home describing ` ` what he wanted to do '' NEW : His father bought the gun used in shooting at Walmart ; other guns were picked up . This year - old is accused of shooting 2 people in his school 's gymnasium . His parents say a judge ordered that their son receive mental health treatment .