My Cousin Vinny (1992)

Two carefree pals traveling through Alabama are mistakenly arrested, and charged with murder. Fortunately, one of them has a cousin who's a lawyer - Vincent Gambini, a former auto mechanic from Brooklyn who just passed his bar exam after his sixth try. When he arrives with his leather-clad girlfriend, to try his first case, it's a real shock - for him and the Deep South!