Randall and Hopkirk (Deceased) (1969)

Vendetta for a Dead Man (1x24)

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Eric Jansen breaks out of the psychiatric unit of prison shortly before the anniversary of his arrest with vengeance on his mind. One problem, though: the man responsible for putting him behind bars, Marty Hopkirk, is already dead. Jansen decides that someone named ""Hopkirk"" is going to pay, so he sets his sights on killing Marty's widow, Jean.