bottom of the magazine so he would know when he was running out of ammunition to switch guns. kite mean he wanted to try to help his aim and follow the tracer rounds, although if he can see the rounds going to the target, it would make it easier for people on the ground to determine where those bullets were coming from. that's a double edged sword for him if he actually used them. but i think it's very likely that he wanted to know when he was about to run out of ammunition so he could grab the next gun he had available and start shooting with that one. >> apparently he didn't get those tracer bullets because they were out. but if he did have them, what do you see being different about this attack? >> so, as was just mentioned a tracer rounds almost serve as a guiding method to guide a shooter's rounds to the intended target. you know, i'm not sure if it would have made a huge amount of