S. S. Van Dine,
The "Canary" murder case
(1927)
“ Markham laughed outright. “Skeel, then, according to you, is innocent; but he keeps his knowledge to himself, invents an alibi, and doesn’t even tattle when he’s arrested. . . . It won’t hold water.”“I know,” sighed Vance. “It’s a veritable sieve. And yet, the notion haunts me—it rides me like a hag—it eats into my vitals.”“Do you realize that this mad theory of yours presupposes that, when Spotswoode and Miss Odell returned from the theatre, there were two men hidden in the apartment—two men unknown to each other—namely Skeel and your hypothetical murderer?” ”

