the movie focus about u president protect by secret service ( willis bouchey a chief agent ) who pass through small and peaceable town call suddenly where only the sheriff ( sterling hayden ) execute the law . one house inhabit by a grandfather ( james gleason ) and a widow ( nancy gate ) and son be ideal place for a criminal scheme by mean of an ambush and design and pull off by ominous murderer command by an ruthless psycho assassin ( frank sinatra ) . the film have emotion and strain and suspense and thriller and although be majority develop on interior scenario and it doesn not make bored neither tire . release be withdraw from circulation for the dallas magnicide ( 1963 ) because the event be pretty similar . frank sinatra ( jfk friend ) a producer order the retaining copy and the movie be forget and however long time after be issue in video market and obtain many success . frank sinatra interpretation be top notch a the cruel and brutal killer and his acting be magnificent and he the best . attractive nancy gate be the pacifist widow who hat the gun and embitter for husband death during wwii . sterling hayden interprets properly a kind and valiant police believer of the american way of life . james gleason a stiff and rigid veteran be very fine . atmospheric cinematography and agreeable music by david raksin ( author of laura score film ) . the motion picture be accurately direct by lewis allen ( director of a some cinema noir classic ) . rating represent interesting and worthwhile seeing and it will like to frank sinatra fan .