Cakled stating they were legal council with the U.S. Treasuries and that I had gotten a case against me for my taxes.

I received a call as well. I didn't answer because it's from Texas. I live in Canada. Why would they be calling me?

Callers are Indian and Pakistani scammers--they are often uncertain about their geography.  Clear evidence of scammery if they don't know their geography.

I got the same call. He had a mid eastern sounding accent. I told them I didn't believe them and I'd contact them when I got verification in the mail. He said to show me he was legit he'd send officers to my house then he quickly hung up.

caller id say U S Govt.  posing as the government