A Downers Grove man is facing up to three years in prison for falsely claiming to be a U.S. Marshal while trying to open a bank account with a $3.5 million check, court records show.

John C. Campbell, 30, of the 2500 block of Ogden Avenue, pleaded guilty Tuesday to false personation of a peace officer in November 2011, according to court records.

Campbell was arrested by Lisle police after attempting to open an account at U.S. Bank, 1026 Ogden Ave., using a fraudulent $3.5 million check and falsely claiming to be a U.S. Marshal, authorities said.

READ: Downers Grove Man Accused of Impersonating U.S. Marshal Following Arrest at Lisle Bank

During a consent search of Campbell’s hotel room, officers discovered a variety of items he was using to represent himself as a U.S. Marshal, including a false badge, two starter pistols, and a variety of other law enforcement equipment props. Police also found a receipt showing he used forged documents to buy a new vehicle from a Lisle car dealer, according to a Daily Herald report.

In exchange for Campbell's guilty plea, prosecutors dismissed charges of attempted deceptive practice, unlawful use of weapons, obstructing identification and forgery, court records show.

READ: Man Accused of Impersonating U.S. Marshal Indicted

Campbell remains in DuPage County Jail, and is due in court Feb. 8 for sentencing. He faces up to three years in prison, according to a Daily Herald.

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