Harry’s blood ran cold. Voldemort had killed his parents while he was still attending Hogwarts. Hadn’t he? How did Harry know that? Had Voldemort told him in the Chamber of Secrets, or was it that awful night in the graveyard? Harry hadn’t thought about Voldemort in months and couldn’t remember how he knew, or even what he knew, and that only made him more agitated. Voldemort had killed his parents when he was a teenager, and Tom wasn’t Voldemort, but what if he – what if –