He was about to ask why she'd had the spell done before, but remembered what Susan had told him about Millicent's past - about her previous involvement with Death Eaters. She must have had it done with Ella.
It made no sense either. Justin would have certainly remembered if he'd slept with Millicent between school, and this summer. There'd been a few times he'd slept with random girls, besides Alison, but Millicent was striking enough to remember.
There was an odd fluttering feeling in his stomach, and he needed to sit down. "How..." He shook his head again. "We need Ella here, just to be perfectly certain, don't we? I mean, I was no saint back then, but I would have remembered if I'd been with you. Even Megan's presence in the room was forgotten at the thought of what Millicent was implying.
He looked to Megan. "Do you have time now - if we go and get Ella? I mean, we can do this test on a child, can't we?"