Eyes in the Night (1942).

In Eyes in the Night (1942, dir. Fred Zinnemann), Edward Arnold plays a blind detective who uncovers a Nazi plot. The film is an adaptation of The Odor of Violets (1940) by Mystery Writers of America cofounder and Grand Master Baynard Kendrick (see also the TV program Longstreet based on Kendrick's work). The follow-up film, The Hidden Eye (1945), was scripted by MWA Grand Master George Harmon Coxe.