Down The River Unto The Sea by Walter Mosley

A former NYPD detective, framed and disgraced, rebuilds his life as a private investigator while raising his daughter, only to receive a letter suggesting his downfall was orchestrated from within the force. Determined to clear his name, he digs into a web of police corruption and old betrayals, even as he takes on a high-stakes case to save a radical journalist accused of killing two officers. His search for truth forces him to confront dangerous enemies, uneasy allies, and the cost of justice.

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