Alfred Hitchcock Presents: Alibi Me (1956)

Georgie Minnelli confronts Lucky Moore, his old childhood enemy, for interfering in his pinball machine racket. Georgie waves a gun in Lucky's face, but Lucky isn't intimidated. A cop named Larkin has just been made lieutenant, and Larkin vowed long ago that if either of these hated rivals turns up dead, the other had better have a good alibi. Georgie couldn't possibly get away with it. But Lucky has pushed Georgie too far and his old enemy shoots him dead anyway. Now the young gangster is desperate for an alibi. But getting one won't be easy.