Blackstone and the New World (Inspector Sam Blackstone Mysteries, 2)

The new Inspector Sam Blackstone mystery - July 1900: Sam Blackstone has gone to New York to pick up a prisoner, but he soon finds himself drafted in to investigate the murder of Inspector OBrien who is famed for rooting out police corruption. Working with an enthusiastic young detective who worshipped OBrien, Blackstone scours the city in search of the killer. And the more he searches, the more he becomes convinced that the police department doesnt really want the murder to be solved.