Status Updates From Easy to Kill

“Very few things seem unlikely to me,” said Superintendent Battle. “Nothing’s impossible in crime. That’s what I’ve always said. If you were to tell me that a dear old maiden lady, or an archbishop, or a schoolgirl, was a dangerous criminal, I wouldn’t say no. I’d look into the matter.”

“That’s the worst of a place like this. Everybody knows everything about everybody else.”
“Oh, no,” said Luke. She looked at him inquiringly.
Luke said with significance: “No one human being knows the full truth about another human being.”

“No, no, my dear boy, that’s where you’re wrong. It’s very easy to kill—so long as no one suspects you. And you see, the person in question is just the last person anyone would suspect!”