The suspect in the Trump rally shooting searched online for information on the arrest of a Michigan mass shooter and his parents, who were prosecuted in a 2021 high school shooting. He visited websites for how to build explosives. And in the minutes before he fired shots in an attempted assassination of Donald Trump, he screenshotted a picture from a livestream of the Butler, Pennsylvania, rally. A week before the shooting, Thomas Matthew Crooks searched online for the date of the Democratic National Convention and where Trump planned to speak, as well as other searches for Trump and President Joe...