reporter: according to training, nolasco should have immediately organized the officers to storm the room, to try and save the children. we re going to reporter: instead he leads a group in the wrong direction, to help clear children from other classrooms who weren t under immediate threat. in recorded interviews obtained by cnn, joe encore, a captain with the texas department of public safety, who is under internal investigation for his own response to the shooting, told investigators sheriff nolasco was, quote, running the show. i d spoken to the sheriff on the way up here. nolasco. what he had. said that it was a a student, a male, that was in there, in the school, with an ak-47. he was barricaded. the sheriff has operational control there. at the time. and you know, we re getting with the sheriff to get information,