The Innocent Man is the upcoming true-crime miniseries based on the 2006 non-fiction book by legal thriller author John Grisham. Two murders, four convictions, and a town full of secrets. Based on John Grisham's only true crime best-seller, The Innocent Man, an old case that shook the small town of Ada, Oklahoma in the 1980s is re-opened with unbelievable evidence that has everyone questioning if the right men were charged, or if the killer is still out there.