elementary. i didn t want to prove that i was a wuss like all the recent shooters like adam lanza who shot himself. i wanted to like get taken down by the s.w.a.t. just to show i wasn t a wimp and like really fight with equal force. reporter: prior to his arrest, the 17-year-old posted videos ontube. testing explosive. when someone saw him acting suspiciously and called 911. in this interview ladue claims his father had no idea what s going on. he thinks i m just a good kid because i can lie pretty well and persuade him that i m just ordinary. reporter: he said he planted to shoot students with guns he stole from him. i don t think he wants he knows he got himself in a strange place and he wants out. that was miguel marquez reporting. that s hard to listen to that. now tonight the woman who is responsible for thwarting this