"Could it be possible that you were the one who killed the five vampires that assaulted the restaurant where your mother was wounded the day before yesterday?" Severus asked his son Lazarus, and the two of them are now having a coffee while keeping an eye on Lucille, who is still resting, for fear that the vampires who attacked her the night before will return, but they are relieved to know that they are dead.
Because of his inquiry, Lazarus glanced at him, puzzled, as if he couldn't believe what he was hearing.