county sheriff's office and the coral springs police department, meaning they couldn't communicate with each other. >> 39, white male, rotc uniform, burgundy shirt. last seen in the three-story building, north parking lot. >> reporter: the police spotted the gunman but couldn't relay that critical information. >> does he know where the shooter is? >> we don't know, but we're heading in the building, in front of the 13 building, building 13. >> reporter: these tapes just a fraction of what happened that awful day, a glimpse of confusion, panic, and tragedy that struck parkland. >> alex joins me now. listening to the voice of the school resource officer not, you know, telling -- telling deputies not to approach the building, it's pretty stunning. >> it really is. we've actually reached out to his attorney multiple times today and they say they're not commenting. they don't see the upside of it. his defense is they initially thought the shooting was coming from outside, and he says that his reaction was in line with his training if a shooting is outside.