The Enforcer (1951 film)

The Enforcer aka Murder, Inc. is an American 1951 blackandwhite film noir codirected by Bretaigne Windust and an uncredited Raoul Walsh, who shot most of the films suspenseful moments, including the ending. The production, largely a police procedural, features Humphrey Bogart and is based on the Murder, Inc. trials.

Under heavy police protection, gangster Joe Rico Ted de Corsia arrives late at night at the courthouse to testify against crime lord Albert Mendoza Everett Sloane. There have been several attempts on Ricos life and he is a bag of nerves, but lead prosecutor ADA Martin Ferguson Humphrey Bogart reminds him that he himself faces plenty of charges that could burn you a dozen times. Ferguson is bound and determined to get Mendoza in the electric chair and stresses to Rico that Mendoza will die, hes got to die, and youre going to kill him.After yet another attempt on his life, Rico gives his bodyguards the slip and tries to escape by reaching the fire escape on the eighth floor of the building, but he falls off the ledge and is killed on impact when he hits the courtyard. ........

Source: Wikipedia