the casualties are what you renumerated earlier. many sources tell us the name of the gunman, who authorities say killed himself after firing all these shots. they identify him as ivan a. lopez, 34 years old. he's in the army, he was wearing a uniform, people say. people familiar with the military will understand what i mean when they say he was an e-4. that means a low-ranking enlisted person. either a corporate or specialist rank, and he had served in the puerto rican army national guard. we don't have his service record. we don't know how long he had been at ft. hood. we don't know what the nature of argument was, other than to say that this was some kind of argument or some kind of -- some sort of animosity, not something that was preplanned, they say. this is the initial information that we're getting. and not anything that was related to terrorism or anything