Murder on the Opinion Page

Murder on the Opinion Page is a mystery thriller about people who disappear after they write a letter to the editor.  Veteran police detective, Dan Kawowski and forensics intern Jane Dockery, suspect a serial killer is on the loose.  Why would someone be kidnapped and murdered for writing a letter to the editor?  Kawowski and Dockery search for the killer, and stumble upon a plot no one would ever dream could happen.  This couldn't happen in America, could it?