Google has temporarily removed the street view of that area.
This is the best I can do...but I honestly don't think they were high enough to see him from there.
And, if the shooter was far enough to the West on that roof, he could have been behind those tree to that counter sniper position and still have a clear view of President Trump.
That image is eight months old, from the winter. Those trees are filled out now.
Best image I can muster. Red arrow counter snipers, blue is assassin's roof
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If the assassin was on the west side counter slope of the roof....
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