more on that. >> reporter: two dead are two adults. one of them is a teacher, the other one is believed to be a shooter. this did happen inside one of those classrooms, though we do not know what grade level the classroom was. we know two others we believe are students were taken by medical helicopter to local hospitals. their conditions are reportedly critical. the police chief says there is no more danger, but that has not stopped first responders from going classroom to classroom and using an old hurricane katrina technique by putting an x to show they have checked out those classrooms. the children are being transported to other areas to be picked up by their parents. one parent was very surprised by this, telling local news station that this is, in fact, a very secure school, north park