Investigators collected someone else's DNA from JonBenét’s fingernails and her underwear. Ultimately, the docuseries calls into question the validity of the DNA testing, but it had been previously determined that neither Patsy, John, nor Burke matched it.

The case of JonBenét Ramsey's killing has been thrown back into the spotlight thanks to a new Netflix documentary that is being watched around the world. John Ramsey, aged 80, is the father of the victim,

Who Killed JonBenét Ramsey” is introducing a new generation to the mysterious 1996 killing of a child pageant star.