Me and the Devil Blues Vol 2

From the Del Rey Manga edition

Kidnapped by thugs, RJ is locked in a tiny cell to await mob justice. His only hope lies with gangster Clyde Barrow. Clyde, however, has problems of his own. Masquerading as a newspaper reporter, Clyde befriends Stanley McDonald, the most powerful man in town. Clyde is all set to help free RJ, but while staying in McDonald's mansion he discovers a chilling secret that could mean death for an innocent boy. Now Clyde must decide whom to save: the innocent child or his mysterious friend RJ?

Source: Anime News Network Encyclopedia