>> she is going to these glittering events. dazzling the cameras. but she was always on her own. >> she did have that duality where she could be in public, glowing and charismatic. but her private life was very, very turbulent. >> i think that hasnat khan and diana got to the point where -- well, certainly for him, it was waiting to explode. >> there was more and more press interest in him. people started writing about him, investigating his family. >> the princess of wales was giving nothing away about her secret overnight meeting. she slipped out to meet the mother and father and other relatives of close friend dr. hasnat khan. but the father of the