Yellowstone National Park Cold Case Mary Gaston, 9 Lost Girl Found Alive After 30 Years (1979–2009)

SOLVED: Yellowstone National Park Cold Case | Mary Gaston, 9 | Lost Girl Found Alive After 30 Years (1979–2009)
In September 1979, 9-year-old Mary Gaston vanished without a trace from a family hiking trail in Yellowstone National Park. For 30 years, her disappearance remained one of the most baffling missing persons cases in American history—until a brain tumor accidentally unlocked the truth.
This is the shocking true story of a little girl who disappeared in her yellow daisy dress, a family destroyed by grief, and an impossible discovery that changed everything. Mary Gaston was found alive in 2009, living under a completely different identity with no memory of who she really was or what had happened to her.
How does a child vanish from a national park and live for three decades without knowing her true identity? Who took her? Where was she all those years? And how did a medical procedure bring back memories that had been buried for 30 years?
This case will challenge everything you think you know about missing persons investigations and prove that sometimes, against all odds, miracles do happen.
⚠️ DISCLAIMER: All names and locations have been changed to protect privacy. This story is shared to raise awareness about missing persons cases and long-term abduction survivors.
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