What is the main conflict in The Thomas Berryman Number by James Patterson?

This novel follows the investigation and research of a Nashville reporter into the murder of Jimmie Lee Horn, one of Nashville's first black mayors. Set in the early seventies, this murder is wrapped in racial tensions that prove to have little to do with the actual motive to murder. The reporter, Ochs Jones, meets with friends and family of an unknown assassin named Thomas Berryman and soon discovers that everything he thought he knew about Horn's murder is wrong. The Thomas Berryman Number is an award winning first novel that will surprise and inspire James Patterson fans and newcomers alike.