A Bismarck man will serve a year of supervised release for stealing a forklift that he planned to use to "flip" President Donald Trump's limousine on the day of his Mandan refinery speech.

Gregory Lee Leingang, 42, pleaded guilty in federal court to attempting to enter or remain in a restricted building and on grounds while using a dangerous weapon, that is, a forklift.

On Sept. 6, 2017, the day Trump gave his speech at the Andeavor Mandan Refinery, Mandan Police officers arrested Leingang for stealing a forklift and entering the presidential motorcade route.

Leingang told detectives he planned to get to the president's limo and "flip" it, U.S. Assistant State's Attorney Brandi Sasse Russell said at the plea hearing in November.

Michelle Monteiro, Leingang's public defender, said Leingang was suffering "a serious psychiatric crisis" during the incident.

On Tuesday, U.S. District Judge Daniel Hovland sentenced Leingang to time served and a year of supervised released. Leingang is currently serving time for previous offenses at the North Dakota State Penitentiary and is scheduled to be released in 2038.

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(Reach Blair Emerson at 701-250-8251 or Blair.Emerson@bismarcktribune.com)