Also got a call about 2:00 central time today from IRS claiming to file a lawsuit and that I needed to call a number for more info, also pretty sure it was a scam when I called the number back it (was not in service)
This is an overseas scam.
http://www.treasury.gov/tigta/contact_report_scam.shtml
http://www.irs.gov/uac/Newsroom/IRS-Warns-of-Pervasive-Telephone-Scam
http://www.consumer.ftc.gov/articles/0048-government-imposter-scams