Why did the Trick Service stop working to secure Trump coming from being shot?

.IT WAS A sensational gap in protection: how carried out a sharpshooter install an unsecured roof along with a direct line of sight to Donald Trump, that was standing a plain 150m away? Based on online video footage, it seems like Mr Trump was millimetres coming from fatality– saved through a lucky turn of the head a flash just before Thomas Matthew Crooks, a 20-year-old from Pennsylvania, fired at him. Criminals got rid of a rally-goer just before being actually fatally fired himself.