By Brad Segall

By Brad Segall

ABINGTON, Pa. (CBS) — Two employees of the Abington Post Office are under arrest, accused of stealing credit card numbers from customers.

Police say an alert customer noticed an unauthorized purchase on his credit card statement not long after he used the card at the Abington post office, in Montgomery County.

“He checked the name and went on the Internet, found a picture of that individual, and realized that it was the clerk who had waited on him at the post office,” says Abington deputy police chief John Livingood.

According to investigators, Rashaad Schell and Daryl Matthews, both of Philadelphia, would use a smartphone to make a video record of credit card numbers during post office transactions.

Livingood says the numbers were used to buy American Express gift cards, merchandise, and tickets.

“We’ve identified in the neighborhood of 20 people whose accounts have been compromised in this matter, but we suspect there are others out there as well,” Livingood says.

The investigation continues, and while more arrests are possible, Livingood says it doesn’t appear other postal employees were involved.

Schell and Matthews are charged with identity theft, conspiracy, forgery, and related offenses.