plane. >> now detectives said about trying to find out what exactly happened when the plane came down, in how and why death came to diane. >> we concluded that she died by drowning. >> diane did have a broken collarbone, a fracture in her neck and bruised to the right side of her forehead, almost likely incurred when the plane hit the water. but they were all survival injuries. except, when they found diane, she was still strapped in. so, maybe the seatbelt instead staving her life help and. it may be the buckle jammed. this man is a retired detective, he was a deputy back then. >> her lap battle it flipped over so the buckle was against her body, where she couldn't have reached it in a hurry. without realizing. >> so the buckle it actually flipped around? >> yes it flipped around, which is going to happen, if it's a