If the shooter was on the water tower trums head would have been blown off regardless of how much he turned it. The angle was wrong for that shot. Here is a better explanation.
The open window behind and over the shooter's right shoulder:
I did read your post. If the water tower shooter fired any rounds, they are not accounted in the known rounds that made impact. All rounds of impact would have been from the building according to the angle of trajectory.
If the shooter was on the water tower trums head would have been blown off regardless of how much he turned it. The angle was wrong for that shot. Here is a better explanation.
The open window behind and over the shooter's right shoulder:
https://greatawakening.win/p/17teSXiUXD/the-shooting-angle-reveal-about-/c/
The angle of shot from the water tower would not have been able to clip his ear. The open window and the shooters position could have made that shot.
I did read your post. If the water tower shooter fired any rounds, they are not accounted in the known rounds that made impact. All rounds of impact would have been from the building according to the angle of trajectory.