X. The Gambling Debt

XI. The Gangster's Garage

XII. The Detectaphone

XIII. The Incendiary

XIV. The Escape

XV. The Plot

XVI. The Poisoned Needle

XVII. The Newspaper Fake

XVIII. The Vocaphone

XIX. The Eavesdropper Again

XX. The Speaking Arc

XXI. The Siege of the Bandits

XXII. The Man Hunt

XXIII. The Police Dog

XXIV. The Frame-Up