Why did the Key Service neglect to secure Trump coming from being shot?

.IT WAS A spectacular lapse in safety and security: just how performed a sniper install an unsafe roof along with a direct line of sight to Donald Trump, that was standing up a plain 150m away? Based upon video clip footage, it resembles Mr Trump was millimetres from fatality– conserved by a fortunate turn of the head a flash before Thomas Matthew Crooks, a 20-year-old coming from Pennsylvania, shot at him. Burglars eliminated a rally-goer before being actually fatally fired themself.