up, trying to use cover and conceal at the same time. >> reporter: officer theodore jackson also returns fire. then suddenly, lamar moore makes a running leap over the front desk landing close to commander davis. >> i didn't even see him jump over the desk. once i looked back up, he was right there in my face with a shotgun. >> at one point, we were probably no more than a foot and a half apart from each other. it was probably that close. >> moore shoots davis in the hand. and also hits him in the back. >> the gun i had, that was actually blown out of my hand. my hands are still injured because of that. >> somehow, the commander finds the strength to throw a garbage can at the gunman hoping to distract him while he scrambles to safety.