‘Behind Locked Doors’ is serviceable, but fails to unlock its full potential

Behind Locked Doors, directed by Budd Boetticher, is, for all intents and purposes, a precursor to a much more widely known film from 1963, Sam Fuller’s Shock Corridor. Working on the same principle of a protagonist (in Fuller’s film the hero is the journalist rather than a private eye) that has himself admitted into the loony bin, Fuller’s motion picture has a very apt title given how the viewing experience is quite shocking at times.