bubbles were erased and the answers changed. kathleen mathers heads the state audit. it s not just that someone had changed a bunch of answers, it was that, when they changed answers, they got the answer right as a result of that change. classes with an unusually high number of theeds changes were flagged. it s sort of like having a blizzard in ft. lauderdale in the middle of july. in theory it could happen. it s just so incredibly unlikely that you really need a substantial explanation. usually, when we talk about cheating, the focus is on kids. in georgia, the finger is being pointed at teachers and administrators. cnn obtained affidavits in the case of two administrators at an elementary school in dekalb county, accused of tampering with tests in 2008. former principal james berry admitted they went into an office and began to erase answer sheets and change answers. dorothea alexander, the assistant principal, says she