"If they didn't split up, why didn't she grab the child and leave? She could have Apparated away and save herself." It made no sense to him, unless they had gone after her at the same time.
"Because they are sick fucks," he answered without having to think about it, although he was sure that the man was going somewhere with that. "Who cares why? We need to find her and get it away from them before she's so fucked in the head that she becomes on of them." He looked at the scene again. "You don't really expect rational thinking from someone that does this, do you? They are insane."