Journalist Salena Zito reveals what Trump supporters meant when they turned on the cameras at the Butler

When President Donald Trump entered his vehicle, surrounded by U.S. Secret Service agents, in the moments following his attempted assassination at his Butler, Pennsylvania, campaign rally one year ago, the crowd traded their "USA" chants for expletives as they directed their anger toward the media gathered on the press riser. Veteran political reporter Salena Zito spoke with Fox News Digital ahead of the release of her new book, "Butler: The Untold Story of the Near Assassination of Donald Trump and the Fight for America's Heartland." Zito found herself inside the Secret Service's secure perim