They describe him as a maniac who wanted to kill black people, said they found more than 20 pages of racist writings on his laptop. police say the suspect legally purchased the two guns used in the attack, a glock and gun and ar-15 style rifle with swastikas drawn on it. the gunman had no criminal record but was sent for a 72 hour involuntary psychiatric evaluation in 017. under florida law, those evaluations do not show up in background checks unless the person was committed for treatment. joining us from the scene of the shooting is jay gray. jay, what more can you tell us today? reporter: good morning. you can see the scene behind us, investigators still poring through, looking for any evidence to help them understand why and how this attack was carried out. several hundred gathered outside ....