Voicemail answered and a recorded voice said enforcement action was being taken against me because of owed taxes. The voice had a foreign accent. SCAM!
In the last year I'd say this guy or a colleague has called me 10 times. Presumably the number isn't spoofed, because you're advised to call back. So what makes it difficult for the FBI--or some organization--to track these guys down and put a stop to this? Perhaps it's not considered important enough?