Police officers from the IRS Criminal Investigation Division, and Montgomery Police officers work outside of San & Dee Taxes on South Perry Street in Montgomery, Ala., on Wednesday, Feb. 2, 2011. The federal agents were at the tax service on ìofficial business,î said Patty Bergstrom, an IRS spokeswoman, adding that she could not provide any further information at this time. Large groups of people who had not received their refund checks had been gathering outside the business in recent days. (AP Photo/Montgomery Advertiser, Mickey Welsh)

