Prosecutor says killer lived in 'dark world'
                                
                                
                                    (Newser) -
                                    A man who lived in the "dark, dark world" of methamphetamine and morphine abducted a Tennessee nursing student from her rural home in 2011, then drugged, raped, and shot her before discarding her body and bragging about it, a prosecutor said Monday. Paul Hagerman made the statements during opening...