Who called from 7039728963

Left a voicemail - "...the IRS is issuing an arrest warrant for me due to tax fraud."  The IRS doesn't call, especially on a cell phone!!!

They said they are "filling" a lawsuit against me. Sorry, not having tax problems and used to be an IRS attorney. Haven't you guys been arrested yet?

No they haven't at least by US authorities.  Parties calling are located in India and Pakistan.  Hard core scammer/extortionists.  There's nothing the US can do and the local governments do little.  Invest in a call blocker and DO NOT pick up on call numbers you do not recognize.