 wouldn't necessarily have gotten to the Secret Service, especially if the parents neglected to mention the rifle or that he was likely targeting Trump. Nor would it help without a picture of their son, since the local security detail assigned to the rally didn't even have a name to place with the picture they took of the suspect scoping out the grounds. But there are no reports of anyone seeing Crooks with a rifle, sufficient to know he was a direct threat until he retrieved it from the vans.