‘Phew,’ he said.’not a nice job, ours. I can tell you I felt a bit of cad questioning a child about the relations between her father and her stepmother. More or less inviting a daughter to put a rope round her father’s neck. All the same, it had to be done. Murder is murder. And she’s the person most likely to know the truth of things. I’m rather thankful, though, that she’d nothing to tell us in that line.’