I also received a voicemail from a David Gray with a supposed warning about a second attempt to contact me regarding a US TReasury matter, and that if I don't call I'll have to go before a magistrate or judge. Caller has an English accent.
Same as above - said he was David Grey and was calling about an enforcement action by US treasury and ignoring the call will be an intentional attempt to avoid appearance in front of grand jury for a criminal offense. Ya, right.