IF a lien had been placed against you, you would have had a court date & that would have been granted by a judge. Refusing to give details - violation of the FDCPA . State attorney generals like to hear about calls like this..
Big scam warn others off this IRS scam. People Google IRS phone scams and lean about this scam do not call back they told me I was going to jail and wanted me to send them I tune gift cards from Walmart and dont hang up.i wasted all there time report them to the FBI fight back.