When I answered nobody was there.

call and hang up on the home phone at 7:43am

Message in broken English regarding IRS taking urgent action.  Local cops will be dispatched.  Must "get" call back immediately

Automated voice message claiming to be the IRS and advising us to call this number immediately because the cops are on the way now!

Automated voice message which was cut off and started in mid-sentence and used grammatically awkward English.  Said after something expires I would be taken under custody by local cops.  "Would ask that you would call us immediately so we can "discuss about this matter" before legal action is taken against you, as there are four allegations "pressed against you" at this time ..."