** FILE ** In this June 5, 1968 file photo, presidential hopeful Sen. Robert F. Kennedy holds two fingers up in a victory sign as he talks to campaign workers at the Ambassador Hotel in Los Angeles, prior to his assassination. On the 40th anniversary of his death, the Documentary Channel airs “RFK Must Die: The Assassination of Bobby Kennedy,” the result of an investigation into still-unsettled questions surrounding his assassination as he campaigned for the White House. The film airs Monday at 8 p.m. EDT on the DISH network. (AP Photo) / OUTTAKe 0609