people who are fraud steers know that easy peacey, use the right language, you get the money. >> if iient, blood loss, i write "blood loss," and bill medicare. if you don't right that, you're not paid. people know what to write in the charts. gerri: all right. so let's just be clear about this. it's illegal under federal law for this money to go to illegal immigrants or to prison inmates. right? >> right. gerri: people think, oh, there's some cases where they can get benefits, but it's illegal. talking about the law having been broken, but at the end of the day, the federal government, center for medical services says they will not go after money going out the door in this way and go after the service sprieders for illegally giving this money out or after the people, themselves, why? >> well, because medicare has responsibility for making sure the claims in are appropriate claims and appropriate for getting paid. they try to put in the responsibility on the providers in the hospitals and doctors, but in some cases, they can't certify whether they are medicare eligible, filing the clai