BISMARCK, N.D. (AP) — A Tucson, Arizona man accused of robbing a Bismarck bank has signed a plea agreement in federal court.

Thirty-seven-year-old Sean Nichols has agreed to plead guilty to bank robbery. The charge carries a maximum sentence of 20 years in prison.

Authorities say Nichols entered Dakota Community Bank on May 6 and demanded cash. He fled with an undisclosed amount of money.

The plea agreement says the money was taken "through intimidation." Nichols did not display a weapon.

A plea hearing has not been scheduled.

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