Anton Hammerl had been missing since last month
                                
                                
                                    (Newser) -
                                    Anton Hammerl, the South African photographer who  went missing in Libya last month  along with three other journalists, was likely killed on April 5, his family announced on  Facebook . Hammerl, 41, was shot by Moammar Gadhafi's forces in an "extremely remote location" and could not survive his critical...