The Sphinx (1933)

Director: Phil Rosen
Cast: Lillian Leighton, Lionel Atwill, Lucien Prival, Luis Alberni, Paul Hurst, Robert Ellis, Sheila Terry, Theodore Newton

Synopsis:

A man known to be a mute is suspected of committing a murder, as he was noticed at the scene. However, witnesses saw and heard him talking as he was leaving the scene of the crime. The police must determine if he is the actual killer or if he is being framed.