> The sound was just not sharp enough,
Couldn't that just be some kind of distortion due to the way the microphones are set up, and whatever audio post-processing they may have doing?
> and the way he touches his head after being shot was just weird, if it was a gun/bullet, it definitely was not a direct impact
It looks to me like Trump got extremely lucky – an attempted headshot missed and the bullet grazed his ear.