>> there has been evidence of test alterations that are unacceptable. >> the georgia bureau of investigation began questioning educators in mid-october after the governor widened the probe. >> federal authorities are also looking at atlanta public schools. they are concerned about federal moneys any of these schools may have won which is potentially fraud if they used falsified scores to earn those dollars. >> in atlanta and some other public school systems around the country, improved test scores can also trigger bonuses. in 2008 the "atlanta journal constitution" analyzed exam results for students who had to retake the test and noticed something didn't add up. >> lo and behold they all not only passed but were at the top. >> it prompted the state to take a closer look at the test forms. eraser marks raised red flags. >> there were suspensions from 90 days to two years. >> among those suspended were the principal and assistant