Cannon and his old police partner Weller Dane (Leslie Neilsen) are asked by their ex-superior to reopen the probe of a corrupt officer thought dead.
#103 - S5E6 - October 15, 1975
I can't find episodes of Cannon online anywhere... anyone?
Leslie Neilsen played a duel role, both as Frank's supportive partner, and secretly as the scheming man behind the whole mystery they are investigating. An explosive finish - if not literally than certainly figuratively.
there doesn't seem to be anything here