 firing something with a .223 round, and here's where Audio 2 was recorded from. We've isolated exactly where the person was standing. They were walking, so there's a little movement, but they were basically right here. The echoes we have is perfectly consistent with atmospheric conditions of the day to have bounced off of this building because that's what you need for an echo. You need a hard, flat surface to echo off of. So that's what we got. We have an echo that perfectly lines up with