The incident happened at around 3:30 p.m. Monday, Dec. 11, at a Chase bank in Selden, located on Middle Country Road.
Suffolk County Police said the robber told a teller that he had a weapon and handed the employee a note demanding cash.
The teller complied and the suspect fled.
On Thursday, Dec. 14, police announced that 51-year-old Joseph Amorosa, of Selden, has been apprehended in connection with the robbery.
He is charged with one count of robbery and three counts of criminal possession of a controlled substance.
Amorosa was scheduled to be arraigned at First District Court in Central Islip on Friday, Dec. 15.
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