I got a message from this number this morning. Experience is almost similar to Lisa Ling. But accent is more of American accent. He did not ask me to pay anything and no call from a caller ID from "XXX County Sheriff"
I called Sharif's office and reported it. They asked me to report a claim on fbi.gov.
I just received a phone call from this number from an Indian man who said that I owe thousands of dollars in back taxes. It sounded fishy since he had no information other than my name. He also thought that I was married, which was a big red flag. I told him I would contact my tax account and he asked my accountant's name but I didn't give it to him because it wasn't relevant. I asked for my case number and he said one has not been assigned, so I knew it was fake. I called the sheriff's office and reported it, they told me there has been similar complaints this month. Don't give them your information!!
I received a call this morning that I owe thousands of dollars and if I pay them now, they will reduce the payment. They also tell you that you can avoid getting arrested by going to the back while you are on call with them without disconnecting and take cash, go to kroger and do a tax payers check.
IRS has absolutely no authority over local police. Local police and law enforcement are NEVER involved in tax disputes. If law enforcement presence is needed US marshal are available. But that is rare.