The more I think about this, the stupider I think it was for the DT to bring this whole issue up. It points to Casey just as much as it theoretically could point to GA. And in bringing up the issue, JB highlighted just how many Anthony family pets have died. Websleuthers aren't the only ones who know that killing animals is an early sign of antisocial personality disorder, aka something's really wrong with you. I'd bet there's someone on that jury who's thinking, whoa, did Casey have something to do with those pets dying? It could only be one. But that's all it takes to bring up the idea to the others when they start deliberating.