A local police counter-sniper team was stationed inside the building where attempted assassin Thomas Crooks climbed on the roof and fired on Donald Trump, law enforcement sources told The Post.

Washington Regional SWAT counter-sniper Ben Shaffer said it was “absolutely” concerning that the roof of the AGR ...

A Secret Service sniper shot and killed the suspected gunman ... “That building in particular has a sloped roof at its highest point. And so, you know, there's a safety factor that would be ...