“That building in particular has a sloped roof at its highest point ... Cheatle admitted the agency knew the building rooftop was a security vulnerability but still opted not to position ...

The US Secret Service did not put agents on the rooftop where an assassin shot ... Kimberly Cheatle, the Secret Service director, said the “sloped roof” where Thomas Matthew Crooks was ...

Before sketching out your design, assess the roof you're planning to use - it's important that the building is sturdy enough to hold the structure you build. If you have a sloping roof it's best ...