You again. Yay, this will be productive.
He assigned an attorney to review the lawfulness of how the FBI started its investigation. Now, I know you guys like to get ahead of yourselves, but what that means to us is that they'll pour over warrants and so on and check that the FBI - renowned for being sticklers on this kind of thing - will have been meticulous over that.
When he announces that he has a case that there wasn't a warrant in the right place or something, that'll be news. But other than that, this is just going to give you another layer of procedure for you to claim is corrupt due to Deep State or whatever.