Caller says her name is Mimi Wilson; says the IRS has filed a claim against me and I should call back right away, giving a certain case #. This is a SCAM, trying to get personal info. The IRS NEVER just calls people out of the blue. If there is a problem, they always send an official letter first, giving a number or an office to be contacted. My wife has a friend who got calls like this; she developed a beautiful way to deal with them. She calls them back at the number they leave. When they answer, she yells, "You are NOT the IRS!" or "This is a scam!" and then hangs up. She repeats this every five minutes or so, until she tires of the game. Bravo!!