(6/6) The top view of line of sight and the side cut view B-B (on the line of sight of James Copenhaver camera). To correct the line of sigth the north bleacher was corrected 2.5 inches down and 25.2 inches to the East. This is within the margin of error of Google Earth.
Cosidering the ballistics study I did, the drop estimated of 1 inch and drift of 1.5 inches to the east, the correct position would be 0.2 inches above the rail and 2.4 inches to the West of David Dutch center line.
For the conclusion, I don’t have evidence of a second shooter, and there is a high possibility that the first bullet came from Crooks position hit Trumps ears and David Dutch.