 to live performance of lee greenwood's god bless the usa and widespread applause from the crowd this after he officially secured the gop nomination for president meanwhile the fbi says their search of the home of the would-be assassin thomas crooks is complete the bureau finished their search monday after combing through the residence where the 20 year old who shot the former president and three others at a rally lived the secret service fatally shot crooks within seconds of him opening fire on the former president