comments and what have they found? >> reporter: fredricka, they're learning a lot about his past and what may have led him here to lafayette a couple of days ago to commit this awful crime and they're starting to believe that this attack was meticulously planned. listen to what colonel michael edmonson from the state police department told me. >> we've been continuing to go through his rant and raves that he had on the internet. he was on several different blog sites, several areas where several groups had a synopsis of some of the stuff that he was saying. we saw a lot of writings about people trying to make rhyme or reason of what he did right here so we're continuing to go through his diary making comments. here's one thing that's perfectly clear, this man was certainly of sound mind because, you know what, he wrote it down. he said he's coming to this movie theater at 7:15 on thursday night. what we do believe is that he was in other theaters lake charles, lafayette and baton rouge, maybe disguised himself from some of the things we've