Prior to VoIP it was easier to trace the source of a call. With VoIP, the call could come from anywhere. Also, that VoIP service may have been resold several ti

Prior to VoIP it was easier to trace the source of a call. With VoIP, the call could come from anywhere. Also, that VoIP service may have been resold several times and the end of that chain might look like a shady foreign entity with fictitious names. You kill one shady reseller and 3 more pop up.