Officer Down
- Episode aired Jun 1, 2017
- TV-PG
- 42m
The longest running cold case of a law enforcement officer in the United States was the murder of Sheriff's Lt. Joe Clark.The longest running cold case of a law enforcement officer in the United States was the murder of Sheriff's Lt. Joe Clark.The longest running cold case of a law enforcement officer in the United States was the murder of Sheriff's Lt. Joe Clark.