Five film series featuring lieutenant harry callahan clint eastwood a bad tempered right wing san francisco policeman not averse to bending the rules to get his man in the first film dirty harry 1971 the maniacal scorpio killer is on the loose and callahan disregards procedure in his efforts to track him down regularly using his trusty magnum 44 to dispense his own brand of justice the sequel magnum force 1973 sees a group of renegade san francisco law enforcers using poli