Columbus man pleads guilty to armed bank robbery, pistol-whipping employees


A Columbus man pleaded guilty to robbing a Whitehall bank and pistol-whipping two employees while demanding money and conspiring with his girlfriend to hide the gun he used in the robbery.

Forty-two-year-old Robert K. Mason pleaded guilty to one count each of bank robbery, using a firearm during a crime of violence and conspiracy to tamper with evidence. He is facing up to life in prison.

In a plea agreement, Mason admitted that he robbed the Huntington Bank at 4550 East Broad Street on September 26, 2018.

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Authorities said Mason walked into the bank, lifted his shirt to show a gun, pulled the gun and ordered customers to the floor.

He jumped over the counter and demanded money from employees, hitting two of them with the gun when they were not moving fast enough.

He then fled out the front door and got into a car driven by his girlfriend, Bretta L. Nallen.

Whitehall police arrested Mason on October 31. While in custody, he called Nallen and told her to get rid of the gun.

Nallen is facing charges of being an accessory to the crime and evidence tampering.

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