A preliminary report on the July 13 assassination attempt on former President Trump from the Senate Committee on Homeland Security and Governmental Affairs ripped into newly revealed missteps that went into the Secret Service's planning and execution of security at the event during which a spectator was killed, two others were seriously wounded and the GOP candidate was struck on the ear. Among the key failures, an agent inexperienced with drone equipment called a toll-free tech support hotline for help after a request ahead of time for additional unmanned assets was denied, according to a preliminary summary of findings made public Wednesday. According to the committee, he had just an hour of informal training with the device.