<P> Rookie cops Phil Sweet (Tim Matheson), John Davis (David Soul), Alan "Red" Astrachan (Kip Niven), and Mike Grimes (Robert Urich) encounter Callahan at an indoor firing range . Sweet, after demonstrating his speed and accuracy with Callahan's gun, reveals that he is an ex-Airborne Ranger and Special Forces veteran and that the others are as good or better shots than he . The young officers' zeal and marksmanship impress Callahan . </P> <P> Later, a motorcycle cop slaughters a mobster's pool party using a satchel charge and a submachine gun . Shortly afterwards, a pimp (Albert Popwell) who murdered one of his prostitutes (Margaret Avery) is shot dead by another motorcycle officer . Callahan realizes that the pimp had let his killer approach him and offered a bribe . He deduces that a cop is likely responsible, and suspects his old friend Charlie McCoy (Mitchell Ryan), who has become despondent and suicidal after leaving his wife, Carol (Christine White). </P> <P> Another motorcycle cop murders drug kingpin Lou Guzman (Clifford A. Pellow) and associates using a Colt Python equipped with a suppressor . However, Guzman is under surveillance and Callahan's old partner, Frank DiGiorgio (John Mitchum), sees McCoy dump his bike outside Guzman's apartment complex just before the murders . The motorcycle cop encounters McCoy in the parking garage and kills him to eliminate a potential witness . The motorcycle cop comes out of the garage to control the crowd, takes off his helmet and it is Davis . Meanwhile, at headquarters Harry presents his suspicions about McCoy to Briggs, who informs him of McCoy's death . </P> <P> At the annual combat pistol championship, a puzzled DiGiorgio tells Callahan that Davis was the first officer to arrive after the murders of Guzman and McCoy . As Davis proceeds to break Callahan's speed and accuracy records, Callahan borrows Davis' Colt Python and purposely embeds a slug in a range wall . That night he retrieves the slug, and ballistics reveals that it matches those found at the Guzman and McCoy crime scenes . Harry begins to suspect that a secret death squad within the department is responsible for the murders . </P>

Clint eastwood a man needs to know his limitations