I have a Gentlemen saying he delivered stone materials to my job site after all personnel was gone for the day, he left no kind of tickets or receipts for this material because it was never delivered I did not hear from this gentleman until around 2 weeks later with nasty texts and calls threatening me, so he eventually came out to job I explained to him we did not get what he is claiming and we could prove it with simple calculations of measuring the trenches he flipped out when I said this and said he file a claim because he knew the head guy in the office of the state agency I was working for, I not sure if he filed a lien or just put in some kind of claim I have no contract with him not even an invoice with our company name all my other suppliers were paid off before i even recieved payment and they wont release my last payment is this legal to do file false claims and the public job holing my check?