HEEEEEEELLLLLPPPPP I've called to report fraud, I...

HEEEEEEELLLLLPPPPP I've called to report fraud, I've filled out the online forms. NOTHING, NO RESPOSE, NO AUTO REPLY EMAIL SAYING "We have your fraud form" ZERO!!! I've called and you cannot reach a real person? No call backs available? So when I get hit on my taxes for this FRAUD can I ignore the government like I'm getting ignored?