I am no lawyer but wouldn’t evidence against Trump JR be in the form of emails that he wrote and sent?
Not emails that he received.
Meanwhile the fake news media doesn’t care less about Comey illegally stealing and leaking classified government memos.
(as he referred to them as)
WaPo claims that it was something that happened at the meeting with the alleged Russian. Such a thing is theoretically possible, but I think it's another swing and a miss.