Hop Sing tells Hoss and Candy they can use the ancient Chinese art of fingerprinting to prove Joe is innocent of murder.
| Title | Mark of Guilt |
|---|---|
| Genres | Western Action & Adventure Drama Family |
| Release Date | 1968-12-15 |
| Episode Runtime | 00 Hours 49 Minutes |
| Season Number | 10 |
| Episode Number | 13 |
| Production Companies | NBC, NBC Studios |
