From Nextgov.com: IRS computer glitches allow erroneous credits

Initial audit of 2011 season shows some filers wrongfully benefiting from first-time home buyer and energy-efficiency tax incentives.

Flaws in the Internal Revenue Service's software programs have allowed filers to improperly claim tax credits for first-time home purchases and energy-efficient improvements to houses, according to a preliminary audit of the 2011 filing season. Read the whole story at Nextgov.com.