He's a tough cop policing the mean streets of San Francisco. A maverick, who doesn't mind breaking the rules to get the job done. No, not Dirty Harry , the other one. Steve McQueen was at the height of his fame when he made Bullitt , a tough cop thriller that paved the way for all the other tough cop thrillers of the 1970s. McQueen stars as the improbably named Frank Bullitt, a plain clothes Lieutenant in the San Francisco police department. Bullitt is assigned to protect a key witness for a senate sub-committee hearing into organised crime, overseen by Chalmers (Robert Vaughn). When his star witness is killed, Bullitt has to cover it up and goes after the killers himself. Despite its fame, Bullitt is essentially a fairly ordinary policier lifted by the presence of McQueen and the contribution of the film's director Peter Yates. The film, based on the novel “Mute Witness” by Robert L. Pike, is weakly plotted and the storyline doesn't bear close inspection. As a mystery