Mary frowned. The question indicated that he knew who Ellen was. Who she really was.
Then again, that much could be read just by how panicked he looked at the thought of Ellen being missing. He had the look that she'd always seen on his face when a family member was in trouble.
She sighed because she really just wanted to answer the question and get her dad's help.
"I'm pretty sure I'm not supposed to answer that question. Could screw things up."
She bit her tongue to keep from pointing out that he'd been the one to make them all watch Back to the Future. Over. And over again.