Army Mystery (1943)
aka "Criminals Within"
Crime Drama / Mystery / Thriller / War
Directed by Joseph H. Lewis
Eric Linden as Cpl. Greg Carroll
Ben Alexander as Sgt. Paul, the traitor
Donald Curtis as Lt. John Harmon
Ann Doran as Linda
Constance Worth as Alma Barton
When Professor Carroll, a U.S. Army scientist, is murdered after formulating a powerful chemical explosive, Military Intelligence assumes the criminal investigation, leading to a foreign spy ring. Carroll's younger brother, Army Corporal Greg Carroll (Eric Linden) goes AWOL with a goal of locating his sibling's killer. Greg is known to have had in his possession a list of other researchers involved in the development of the explosive who are in danger. Both Military Intelligence and a number of enemy agents are after him to obtain the list.