Meet the Wildcat [1940] [DVD]

From imdb ~ Magazine photographer Ann Larkin is snapping photos at Mexico's National Museum when she sees Brod Williams steal a painting from its frame. Convinced that Brod is the notorious art thief known as "The Wildcat," Ann follows him into the street and accuses him of being the thief. Even though the police attest that Brod is a New York City police detective, Ann remains dubious and consequently follows Brod when he visits the Dumeray gallery. At the gallery, Brod asks Leon Dumeray to store a painting in his vault. Recognizing the canvas as stolen, Dumeray has Brod arrested..