Yes, she was sandwiched between Rudy Guliani and Jenna Ellis (both Trump attorneys) at the press conference. Not a placement you would expect if she were not "on the team." I'm wondering whether someone saw a draft of her Georgia filing and went "holy shit, we need to put some distance between this and us." I can think of various reasons why they might react that way.
Notable for the Byron York tweet - Rudy implies or states that Sidney Powell is part of the legal team.
Not sure who Roscoe B Davis is, but he sounds knowlegable. That mailbox thing could turn out to be big. Notable