I don’t know the answer and I don’t know who Tom Graham is — so treat this as highly speculative.

It would, however, be the type of information that will be needed to prove collusion, corruption and fraud should it turn out to be true………….

https://threadreaderapp.com/thread/1325124397729001472.html

It might also explain why Trump was comfortable just relaxing on the golf course today versus supervising the legal proceedings!