Pretend to be the IRS and that I own them a lot of money and that they will sue me if I don't call back

No they will never call i the IRS sends anything it will be buy certified mail, I got a call yesterday from this number and have called them back, they are getting tired of my calls, downright pissed one eve said why are you bugging us i said cos you say your the irs she said stop calling or i will got to jail i begged her to call my local pd she has not

they called me and said they form the IRS