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 murder of the six-year-old beauty queen is the coldest of cases, and the Netflix series put the heat on exactly no one.

While it starts out with a little background on the case, the docuseries quickly gets into the Ramseys as a family, including about JonBenét's mom, Patsy, a journalism graduate.

The Ramseys were in the middle of a full-on media firestorm after JonBenét’s death, and according to the Ramseys, the police had evidence that there was DNA evidence of an unidentified male retrieved from the scene, and they did not reveal that to the public for months, despite the rampant speculation against the Ramseys.

The infamous murder investigation — which remains open nearly three decades later — is explored in Netflix's 'Cold Case: Who Killed JonBenét Ramsey.'

Who Killed JonBenet Ramsey? will launch on November 25, and it'll investigate one of the most notorious unsolved crimes.

Netflix will debut all three 50-minute episodes of the docuseries on Monday, November 25.

One month before the 28th anniversary of JonBenét Ramsey’s murder, Netflix will premiere a three-part “Cold Case” documentary about the Boulder crime, which captivated the world and remains unsolved.

Police released their annual update on the investigation a little earlier due to the increased attention on the case due to the Netflix series "Cold Case: Who Killed JonBenet Ramsey."

The life of every member of the Ramsey clan changed forever when 6-year-old JonBenét Ramsey was found viciously killed in the basement the day after Christmas in 1996.But the life of an investigator – and subsequently the rest of his family – was about to change,