This is not possible if the data on the server is encrypted with the key derived from the person's password or a completely independent key and no escrow has ev

This is not possible if the data on the server is encrypted with the key derived from the person's password or a completely independent key and no escrow has ever been implemented. That's why, for example, you can't read my old Wire messages or look at photos that I sent and received there, even if you fake my death certificate.