Phantom Secure is directly named as one of the parties Donaldson was dealing with, with others being suspected:

>Donaldson tried to make a deal with Phantom Secure, which ultimately didnt work out. Micay suspected other counterparties were linked to organized crime, but we cannot confirm those identities or ties on short notice. Donaldson began pursuing such deals before Micay left and continued afterward.

https://discuss.grapheneos.org/d/34369-original-grapheneos-r...