Defensively, Russell grumbles, "I'm not making the rules, we hardly know what they are."

He holds his hands in front of himself, focuses for a second. And without any magician's flourishes or hints of threads or smoke or other distractions, a full humerus - a little larger than life size for a human - drops from the air into his waiting hands.

"There. Believe me?"

Though, if Walter can't remember everything to do with the alien memories and powers and changes...

"...You can see it, right?"