A man arrested at a Donald Trump rally in Las Vegas told authorities he tried to grab an officer’s gun so he could kill the candidate, the Secret Service said. A complaint filed Monday in U.S. District Court in Nevada charges Michael Steven Sandford with an act of violence on restricted grounds. He was expected to appear in court later in the day as the investigation continued.

Authorities said Sandford went to a Trump rally on Saturday at the Treasure Island Casino and approached a Las Vegas police officer to say he wanted an autograph from Trump. The report says Sandford was arrested after grabbing the handle of an officer’s gun in an attempt to remove it. READ MORE