Police have arrested an Atlanta man who allegedly held a gun to a pregnant cashier’s head during a robbery at a Dollar General store, according to Stone Mountain police.

Darryl Brown, 20, was arrested Monday, the day of the robbery, by the DeKalb County Police Department and remains in jail, according to jail records.

RELATED: Robbery suspect held gun to pregnant cashier's head at Dollar General store

Police said Brown walked around the store on Main Street briefly before holding a gun to the head of a woman, believed to be between five and six months pregnant.

The manager of the store gave Brown two drawers of cash when he demanded money, authorities said.

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The move comes in the wake of the mass shootings in El Paso, Texas, and Dayton, Ohio