Trump, outrage and the modern era of political violence

Jeffrey Veltri, special agent in charge of the FBI Miami field office, speaks during a news conference Monday regarding the apparent assassination attempt on former President Donald Trump in West Palm Beach, Fla. Investigators say the man who appeared to have been planning to assassinate former President Donald Trump with a rifle waited near a golf course for about 12 hours before he was spotted by the Secret Service. (Saul Martinez/The New York Times)

WASHINGTON — Within days of former President Donald Trump vilifying immigrants on national television with false stories about Haitian migrants eating pet dogs and cats in an Ohio town, someone began threatening to blow up schools, City Hall and other public buildings, forcing evacuations and prompting a wave of fear.