Louis de Rochemont, the producer of the “March of Time” newsreels, entered feature filmmaking with this 1945 spy caper. Its documentary style and on-location realism started a trend that lasted into the early 50s. William Eythe is the FBI man battling third columnists in New York during the war; Henry Hathaway directed. With Leo G. Carroll, Lloyd Nolan, and Signe Hasso. 88 min.