Says they are the IRS.  It is not.

I called number back and requested that they stop harassing me (second such calls) and the man who identified himself as an "agent" used profanity by saying, "motherf@cking woman..."

My wife just received a call also ... said that they left a message that it was important to call them or have our attorney reply. I told her the IRS has my address and can send me a letter if they need something ...scam

I recieved numerous calls from agent adam.  I let it go to voice mail and he leaves threats.  Same guy also calls my mother daily and we have two different numbers.  Sometimes I feel like calling him back and have fun with him...he's not worth it.  Also watch out for another irs scam with a heavy indian accent.  He was going to have me arrested by police that day.  I wasn't even home.  IDIOT!