The concept of ‘returning’ emails is asinine, given that they are not physical properties unless they have been printed. You don’t ‘steal’ emails — you obtain copies, and unless you specifically delete them from the original recipients account or server, they’re still there.
Trumps lawyers need to do a deep dive on all of Mueller’s hard drives to wipe the e-mails and all references to them.
Might provide some interesting reads of other files there....
You are missing this. This is the Trump campaign making legal groundwork that Mueller is in possession of emails he has no right to possess.