Dragnet - Season 4 Episode 15
Homicide - Who Killed Who?

There is a multiple homicide at a rooming house. When Joe and Bill arrive, they find two dead in the lobby near a broken TV set and the manager has been shot and is near death. The manager mumbles the words "oft one" to Joe as he is taken away to the hospital. Bill and Joe start searching for clues and what the managers words mean.