IT is a scam. No legitimate law enforcement agency will call you in advance and tell you you are going to be arrested. Absurd call. Absurd threat. Sadly some people fall for it. No one is prosecuted for ordinary tax liabilities. Tax disputes are mostly civil matters. Solved administratively. Or occasionally through the courts. Ignore and block the calls.
Shameful. I too recieved a call and message. I work for the Department of Defense, and if one was under investigation, I can assure you it would not be via cell, nor voice message.
I just received this phone call, and since it was a number I did not recognize, it went to voice message. As soon as I heard I went to check online if such department actually exist, and what would be their official contact number. Nothing showed up, of course. They use FBI and even a bogus badge number to make it sound legit. For a second I thought "this might be a true message and they contacted the wrong person, so I have to let them know that the person never got the message 'cause they called me" lol but after some simple research boom, there u have another scam. No chill even on a Saturday morning