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A mysterious killer has ambushed and killed nine people in the Robbers' Roost country of Utah. Wyatt's old Army friend, Colonel Benteen, begs him to take the case so that the cavalry may be saved in the event of an Apache attack. And before Wyatt is through he has to enlist the aid of every notorious outlaw in Robbers' Roost to get the mysterious killer and those behind him.
First Air Date : Sep 06, 1955
Last Air date : Jun 27, 1961
Episode : 226 Episode
Season : 6 Season
Runtime: 26:14 minutes
Studio: ABC
Country: United States of America
Cast: Hugh O'Brian