Our latest information says he used four handguns, that HE DID NOT USE A RIFLE, but rather the Bushmaster AR15 style rifle everybody keeps harping on about is what was recovered from the trunk of his car.
http://video.today.msnbc.msn.com/today/50208495#50208495
http://video.today.msnbc.msn.com/today/50208495#50208495