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Police released this screenshot that they say shows a robbery underway at the Pioneer Bank & Trust in Spearfish on May 18, 2017. Kaycee Teppo, of Belle Fourche, was convicted and sentenced for the crime.

Photo courtesy Spearfish Police Department

A woman who admitted robbing a Spearfish bank last year was sentenced Monday to 3-1/2 years in federal prison.

Kaycee Teppo, 23, of Belle Fourche, had pleaded guilty to taking about $1,500 from the Pioneer Bank & Trust after handing the teller a threatening note.

The note indicated she had a gun, which turned out to be a BB gun, according to a written statement that accompanied her plea agreement with prosecutors. After leaving the bank that May 18 morning, Teppo said she deposited $1,000 of the stolen money in her bank account and hid the rest inside a public restroom at a park.

Pioneer Bank & Trust surveillance video captured images of the suspect, which the Spearfish Police Department shared with the public around 2 p.m. the same day. Shortly after, according to Teppo's statement, a woman called the police department, saying the pictures were of her. Teppo spoke to investigators and eventually admitted to the robbery.

Chief Judge Jeffrey Viken, of the U.S. District Court, sentenced Teppo on Monday afternoon to three years and five months in prison. This would be followed by two years of supervised release.

A decision on how much she needs to pay back the bank was delayed for 30 days. No fine was imposed. She had been facing a maximum penalty of 20 years in prison and/or a $250,000 fine.

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Teppo had been free from jail on bond, and her lawyer asked the court if she could self-surrender at a designated date. The court denied the request, and the U.S. Marshals Service took her into custody.

Two weeks after the robbery, police reported another one at the Black Hills Federal Credit Union in Spearfish.

The alleged culprit, 54-year-old Kimberly Campbell, died in August following a stroke. The charges against her have been dismissed.

Contact Tiffany Tan at

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Cops and Courts Reporter

Cops and courts reporter for the Rapid City Journal