Automated voice saying to call back or would get arrest warrant out. WTF?

similar as above, i listened to a recorded message that said i was going to be arrested.

Some person called 4 times within a period of 1 minute and left 4 voicemails saying that if i didn't get back to their office number i would be arrested. it was a computer generated voice like the ones on mac

Automated message saying from tax office

I just received a call from an unknown number so I let it go to voicemail and when I retrieved the msg, a computer voice told me if I didn't call back and pay the bill that I would be arrested, lol.

I just received a call, but as I didn't know the number I let it go to voicemail. When I listened to tht