There had been some explanation, of course. When she first arrived to discover Sarah wasn't dead and Lee wasn't in Azkaban, she had been quite confused. Though never fully explaining Draco's motives for making it seem like they were attacked and splintered, they managed to give just enough of an explanation of the events that she was satisfied for the moment. After all, she had been building up in her mind what she would likely find when she finally approached the destination she had been instructed to so much that when she found the Jordan family whole and unharmed, she'd been unable to fully process what she was seeing.