Didn't answer the unknown number, they left a message re: IRS is filing suit (final notice, oh, no!!!) and to call them back. "Call Type" = "Phishing scheme"
Received 5 calls stating that this was the IRS and that I a warrant has been issued for my arrest for being a tax evader. Never ever missed paying my taxes. Was told that I had to send in $4,000 immediately. I told them that I knew this was a scam. Ask