Princess Diana died just about 16-years ago. Despite several inquiries that concluded her drunken chauffeur and the paparazzi chasing them were to blame, Scotland Yard appears ready to delve into a new conspiracy theory. This one suggests she was assassinated by British special forces. But some say however tragic, Diana's death is a closed case and should remain that way. Anderson spoke with CNN royal commentator Katie Nicholl and Lana Marks a close friend of Princess Diana.
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