where the according to him it was the tide sweeping him out and landed at the beach near the edgartown lighthousethat time we the tide was strongly in word by two sources one of which was the deputy sheriff. so, i don't think that story of swimming the channel is cleavable. >> one of the more hotly debated issues surrounding the tragic accident was lack of a thorough examination of mary jo after her body was pulled from the pond. >> they did not do an autopsy of mary jo c don't know what time she died. if you don't know what time she died you don't know if there's any chance at all whether she might have been rescued or if kennedy had immediately sought out help police or fire department. >> the diver was john. he gave a lengthy interview a few years later and claimed there were hours of air in the car based on his estimate when the car went into the water. hours. john says not an expert and i don't do biology but i do diving and that it appeared to him that mary jo had been in a car for hours and that she suffocated before she drowned. >> she did not actually drown. when someone drowns water ent