Cry of the City (1948)

Petty crook and cop-killer Martin Rome, in bad shape from wounds in the hospital prison ward, still refuses to help slimy lawyer Niles clear his client by confessing to another crime. Police Lt. Candella must check Niles' allegation; a friend of the Rome family, he walks a tightrope between sentiment and cynicism. When Martin fears Candella will implicate his girlfriend Teena, he'll do anything to protect her. How many others will he drag down to disaster with him?