The "man with a scar" -- Was Steinie Morrison guilty? -- Murder by poison -- The case of the Swiss valet -- Kate Webster and Mrs. Thomas -- Murder or accident -- which? -- New light on Charles Peace -- Murder without motive -- Double murder in Varden street -- Mystery of the Herbert Fuller -- Chicago's "murder castle" -- The "magnificent darling" -- The "affaire Eyraud" -- Curious clues to murder -- Crime puzzles unsolved