On Dec. 13, after a gunman opened fire at Brown University, killing two and injuring nine before evading capture, Trump posted on Truth Social that "the FBI is on the scene. The suspect is in custody." But about 20 minutes later, Trump posted an update: "The Brown University Police reversed their previous statement — The suspect is NOT in custody."

Senior administration officials released confusing, incorrect or misleading information after Kirk's assassination and the shooting of two National Guard members.

President Donald Trump offered his condolences to the victims of a trio of attacks at Brown University, in Sydney, Australia, and in Syria on Sunday.