Nassau County Police said the incident took place at the BP gas station in Hewlett around 10:55 a.m., Sunday, May 17.
According to detectives, Rodolfo Umana, 34, of Valley Stream, entered the BP gas station and went to the refrigerator and allegedly hid a bottle of beer on his person.
When questioned by the cashier, Umana said that he had a gun and left the store without paying, police said.
He then got into a blue Chevrolet driven by another person and fled the scene.
Umana was located a short time later on Forest Avenue and placed under arrest without incident.
He was charged with robbery, menacing, and false presentation.
Umana will be arraigned on Monday, May 18.
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