For all the suppressor fans

[Minshooter]

Thanks very much.
Found it.
#619 original airing Nov. 7, 1974 -the final season.
635 Gunsmoke TV episodes total
When "Have Gun Will Travel", was followed by "Gunsmoke" - 90 minutes of TV just didn't get any better.

 

[Knotwild]

Saw it again a couple months ago, the shooters daughter was killed(?) A trial by jury, he was killing the jurors, doc was one of them. 619 " The Fourth Victim " 1974.

You have a great memory.
The Fourth Victim