They will seize his tax records, and infer collusion and many other manufactured crimes, w/o showing anybody anything!
Cards and letters? The USPS will lose many of not most cards.
Emails? The providers will likely lose most if not dump them in a bit bucket.
They’ll strive to limit/prohibit all forms of communication.
Net Neutrality? Here it comes. Talk radio? Controlled.
Sonsabitches!