i also thought i could establish i was at a service station during the time when martin luther king was shot. >> this is the only time james earl ray has ever testified publicly under oath. he described the mystery man he called raoul at a 1978 hearing of the house assassinations committee. >> he was approximately 35 to 40 years old, 5'9" with dark hair and a red tint, and he spoke with a slight spanish accent. >> john campbell was the final prosecutor who fought all of ray's appeals. he maintains the biggest problem with the raoul story was, it kept changing. why are you convinced there's no raoul? >> he started out as a red-haired french canadian. by the time we get into the late chapters of the story, it's raoul and he's from central america and he's a cia operative or gun-runner or god knows what. >> nobody was ever found to place a raoul with james earl ray in atlanta or birmingham or memphis. >> nobody ever sees raoul, other