when someone drowns water enters their lungs and they become [inaudible] anything. it appears to me there was for some period of time in a bubble that she could have breathed in the car and probably for long period of time because she did not die of drowning but died of a six-year. >> john said he saw scratch marks on the roof of the oldsmobile for she had been trying desperately to claw her way out as a possible as it was. she did live a certain amount of time "after words". >> brenda joe cannot go to chappaquiddick immediately. they were not able to do that. after a few years, not too long they were able to go to chappaquiddick to visit the site where the daughter had died. up until that point they had thought mary jo had died and drowned. while they were up there they got to speak with john the scuba