The indictment, unsealed Tuesday, alleges that Ryan Wesley Routh "did intentionally attempt to kill Former President of the United States Donald J. Trump, a major Presidential candidate" when he was camped out near where Trump was golfing on Sept. 15 in West Palm Beach, Florida. The charges carries a maximum penalty of life in prison if convicted.

It also added two other charges - possessing a firearm in furtherance of a crime of violence and assaulting a federal officer.