French Alps quadruple murder: The family, the cyclist and the DNA tests

12 years ago, a cyclist in the French Alps made a gruesome discovery one sunny autumn afternoon. The bodies of 4 adults, each of whom had suffered gunshots to the head. Miraculously, two children had survived the bloodbath. Who were they? Why were they killed? And why are French police still looking for answers after all this time? Host: Tabitha Monahan Guest: Catherine Field

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