There is a special Process in Mu00e9xico where you transfer your legal representation to someone its called u201cCarta Poderu201d (Power transference Letter).You need someone in Mu00e9xico you can trust u2023 get one of this letters and sign ittransfering your legal power to this person in Mu00e9xico.As mentioned by someone else, you need this person to have the Death Certificate so he can go to the bank to get the ownership of the account.Not sure if he will be able to transfer the account to you directly. He may have to add you as additional owneru2023 or just take the money and transfer it to you directly, probably that would be easier.