control zebra-20. we are at the end of the hall. we are going to be peeking out into the hallway. those officers that are down the hall need to acknowledge so we don t have a crossfire. reporter: careful of friendly fire, s.w.a.t. members advance. i have the hallway of the suspect s room on the 32nd floor. reporter: and right before they storm paddock s room, this warning, just in case they re walking into an ambush. i m at the suspect s door. i need everybody in that hallway to be aware of it and get back. we need to pop this and see if we get any type of response from this guy, to see if he s in here or if he s actually moved out somewhere else. breach, breach, breach. reporter: after that explosion, officers move in. we are clearing this room. we have one suspect down. is that room 135? that s affirmative. one suspect down in 135, i have the floor. reporter: and as they discover paddock s body, they also find his arsenal. we have the east room secure. we ve g