Una Magnum Special per Tony Saitta (1976)

Director: Alberto De Martino
Cast: Carole Laure, Gayle Hunnicutt, Jean LeClerc, John Saxon, Martin Landau, Peter MacNeill, Stuart Whitman, Tisa Farrow

Synopsis:

An Ottawa police captain searches for the person who poisoned his sister, who was attending the university in Montreal. So desperate is he for revenge that he begin to use his own brutal methods to find the killer. Soon he discovers that not everything is what he thought it was.