Share Tweet Pin Email By Katherine Tinsley 4:14pm PDT, Sep 3, 2025 _ Princess Diana died in a 1997 car crash in Paris, but according to a forensic pathologist, she might've lived if she'd done one thing differently before taking that fateful trip...MORE: Follow Wonderwall on MSN for more top news _ Forensic pathologist Dr. Richard Shepherd claimed in his book, Unnatural Causes, that Princess Diana died after suffering "a very small injury" that happened to be "in the wrong place" - "a tiny, fatal tear in a pulmonary vein," he noted.