The provided text is an extended excerpt from the novel Kill the Messenger by Tami Hoag, detailing a complex crime narrative involving murder, police corruption, and a bike messenger caught in the middle. The plot centers around the homicide of a low-end defense attorney, Lenny Lowell, and the subsequent murder of a courier dispatcher, Eta Fitzgerald, which Detective Parker and his trainee, Ruiz, investigate. Central to the mystery is Jace Damon, the bike messenger who was at the lawyer's office and is now being hunted by the actual killer, Eddie Davis, who is connected to the murder of Tricia Crowne-Cole. Ultimately, Parker exposes the killer and the corruption within the police department, ensuring Jace and his younger brother, Tyler, receive a safer future, possibly through a movie deal based on Jace's experience.