According to WPXI-TV in Pennsylvania, the man who tried to kill Trump was found on the roof nearly 30 minutes before the shooting. According to reports, one of the local Beaver County SWAT team (ESU team) noticed a suspicious man on the roof near the rally at 5:45 p.m., so they called the police and took a photo of the person. It is reported that the person in the photo is Thomas Crooks, but it is not clear whether Crooks was carrying a gun at the time. In addition, a source said that a law enforcement officer checked Crooks' venue at the time, but did not see him at the location where the first photo was taken. Twenty-six minutes after law enforcement took the second photo of Crooks and got the intelligence, gunshots rang out on the roof of the building. Seconds later, a Secret Service sniper returned fire, killing Crooks.