This is a scam of the worst kind.  They called my house saying they are from IRS Criminal Investigation and have a warrant out for my arrest.  They are calling from a Magic Jack number and it sounds like an Indian guy.  I called him back and started talking to him about how it's illegal to pose as a Federal Agent and we talked for like five minutes where he was literally defending what he was doing.  He admitted that he is stealing money from people but that those people are stupid and deserve it.  Just scum of the Earth!

One of my client's got a call from this number, claiming to be an IRS investigator and throwing around a lot of terms like "criminal investigation" and "turning herself in."  I called back the number and basically got an answering machine claiming to be the "IRS Criminal Investigation Division in Washington D.C." (Despite the Houston code).  I advised them I didn't believe this was the IRS and to call me back if it was so that I could get further information.  The IRS does not typically call people and would certainly never do so with threats of arrest when you'd never received anything from them.  They would NEVER ask you to make a payment over the phone or give your credit card info or other personal information.  If you ever receive a call like this, ask them to send you correspondence in writing and tell them to simply use the last address you used on your tax return (don't give them your address!!).  Don't be fooled!