"Presumed Innocent" is a legal thriller novel written by Scott Turow, published in 1987. The story follows Rusty Sabich, a prosecutor who becomes the prime suspect in the murder of his colleague, Carolyn Polhemus. As he navigates the complexities of the legal system, Rusty grapples with his own moral dilemmas and the impact of the investigation on his personal life. The novel explores themes of justice, betrayal, and the intricacies of the legal profession. It has been adapted into a film in 1990, starring Harrison Ford as Rusty. "Presumed Innocent" is often praised for its realistic portrayal of courtroom drama and character development.