Police search computers , examine information on Web sites . Gunman may have targeted the Westroads Mall , police say . Mall shooter was ward of state for almost four years , police says . Police recruiters turned down David Hawkins when he tried to volunteer .
Police confiscate computers , examine information on Web sites . Gunman may have frequented the Westroads Mall , police say . Mall shooter was ward of state for almost four years , governor says . Army recruiters turned down Robert Hawkins when he tried to enlist .