 They retreated back to a grove of trees so that they could be cool and calm. They could hear President Donald Trump from there. And that's when they saw the gunmen up on the roof. They were stunned. They were saying to the police who were on the ground, there's a gunman on the roof. There's a gunman on the roof. They were screaming at the Secret Service. There's a gunman on the roof. There's a gunman on the roof. Nothing was done.