Whistleblower reveals why Trump rally officer assigned to shooter’s perch moved

A whistleblower told Sen. Josh Hawley that law enforcement assigned to monitor the roof of a building that Thomas Crooks fired from left their post because it was "too hot."

"…He or she was too hot and just thought it was unnecessary to be out there." "The Department of Homeland Security is in total crisis." Audrey Conklin is a digital reporter for Fox News Digital and FOX Business. Email tips to audrey.conklin@fox.com or on Twitter at @audpants.

"This comes from a whistleblower with direct knowledge of the Secret Service plan and setup that day," Hawley said. "And what this whistleblower tells my office is that there was at least one law enforcement person assigned to the roof itself. In other words, the plan called for a law enforcement individual to be on the roof at all times during the rally. And that did not happen. And what the whistleblower tells me is the law enforcement individual who was assigned to that roof abandoned it."

Butler's temperature reached a high of 92 degrees on July 13, and prior to the assassination attempt, emergency personnel at the rally were mostly focused on attending to people suffering from heat-related illnesses.