"Of course not. I doubt whoever it was would have sent you a package in the first place."
Though it was incredibly rude, Zach felt like it needed to be said. He had every inkling that it was a Death Eater who had sent him the package, and he sincerely doubted Tracey Davis would have been one of their victims. She was clearly going for a smart comeback but it rolled off his shoulders. It had been the spell, not him, and now he had every desire to put it behind him--at least now.
"Not to mention, I'd have had to touch the bottle prior to you doing so. As you can see"--he held out his hands--"no possible way for that to happen here. It went right to you."