In July 1974, while Steven Spielberg’s Jaws was still being filmed in Martha’s Vineyard, the decaying remains of a young woman were discovered in the nearby Race Point Dunes of Provincetown, Massachusetts. The mystery victim was almost decapitated and both of her hands had been removed—presumably to prevent anyone from identifying her. Tucked beneath her head were a blue bandana and a pair of Wrangler jeans. For close to 50 years, the girl was known only as the “Lady of the Dunes.”

Despite having been exhumed several times between 1980 and 2013, police were unable to determine who they’d found that day in Provincetown. This led to numerous theories regarding the woman’s killer, with some even suggesting that mobster “Whitey” Bulger was responsible. The decades-old cold case ended up back in the news around 2018, when an earlier blog post from Stephen King’s son, fellow author Joe Hill, resurfaced.…