Knowing that Flagg's case, even as egregious as it was, would not be enough to shut Fata down, he needed to find more evidence of misconduct. Maunglay investigated MHO's patient records, and found numerous instances of unethical and potentially illegal behavior. For instance, Fata was treating several patients with IVIG, a drug intended to treat patients with specific immune deficiencies, when there was no apparent medical basis for it.