Police were warned of Trump rally shooter at least 86 seconds before gunfire, video shows The Washington PostA shooting range, a gun store, and a ladder purchase: Tracking the Trump rally gunman’s movements leading up to his attack CNNBiden reveals what he said to Trump on phone call after assassination attempt Fox NewsBystanders Warned Law Enforcement of the Gunman Two Minutes Before He Began Shooting, Video Shows The New York TimesKid Rock, Dana White and Ken Griffin donate to GoFundMe set up by Trump for victims of shooting Fortune