Audio analysis reveals third weapon probably fired at Trump rally

The most sinister and obvious explanation, if there was a third weapon fired, is a professional shooter was further out, backing up the dead assassin. Some say the professional sniper was on the water tower but line of sight is questionable from there. The least sinister and also obvious explanation is the other SS sniper fired a round. I read a fair amount on the third weapon and as of now do not see much substance beyond the speculation above. Even time may not tell on this one. ABN