The FBI has released the name of the alleged shooter behind the Trump assassination attempt at a rally in Pennsylvania Saturday, as investigators now work to determine a possible motive. On Monday, Donald Trump is expected to be formally nominated at the Republican National Convention, but he is not slated to give his acceptance speech until Thursday night. NBC's Vaughn Hillyard joins TODAY with how the assassination attempt on the former president could impact event plans. The assassination attempt on former President Donald Trump puts a spotlight on the history of political violence in the United States. NBC's Liz Kreutz reports for TODAY on past attacks over the decades. Clint Watts, a former FBI special agent, joins TODAY to discuss the assassination attempt of former President Donald Trump, calling it a "perfect storm of dangerous scenarios here all converging." Donna Hutz witnessed the assassination attempt of Donald Trump while sitting near spectators who were fatally shot during the rally. She joins TODAY to share her perspective of the harrowing events. Former Secret Service agent Evy Poumpouras joins TODAY to analyze the moments surrounding the assassination attempt of former President Donald Trump during a rally in Pennsylvania.

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