I received a call and a message from 202-239-6513 from the criminal investigation dept. on fraud on my taxes.  The number is a ymax landline and I know that it is a magic jack number.  Also, the person calling had a foreign accent which was difficult to understand.  I saved the message to hear it again and noticed that the sound in the background had other people talking so I assumed that it was a scam.   Shame on you people.