A bank teller in Wantagh was arrested Friday for stealing more than $30,000 from an elderly customer over two months, Nassau police said.

While Osbourne Heron, 26, was working as a teller at Investors Bank on Wantagh Avenue, detectives said he filled out withdrawal slips and forged the signature of an 82-year-old man on nine separate occasions, withdrawing a total of about $32,000.

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Police said the bank's internal investigation was sparked when the customer came in with another person who asked questions about the heavy draw-downs of the elderly man's account. The bank's investigation pointed to Heron, police said.

Heron, who lives on Norton Drive in Roosevelt, was arrested at the bank on Friday afternoon. He was taken into custody "without incident," police said.

Heron was charged with third-degree grand larceny and nine counts of second-degree forgery. He will be arraigned Saturday at First District Court in Hempstead.