Whoever duct-taped JonBenet Ramsey’s mouth shut, bludgeoned the 6-year-old Colorado girl and strangled the child beauty queen in her own home has evaded capture for almost 28 years.

While John and Patsy Ramsey were the highest-profile suspects in JonBenét Ramsey's murder, several others emerged through the years, including John Mark Karr.

Netflix's new true crime docuseries, "Cold Case: Who Killed JonBenét Ramsey ," has brought the tragic 28-year-old murder of the 6-year-old beauty queen back into the headlines, raising the stark question of whether the identity of her killer will ever be uncovered.

Police in Boulder, Colorado, are refuting assertions that there is viable evidence and leads about the 1996 killing of JonBenet Ramsey that they are not pursuing.

Who Killed JonBenét Ramsey?” debuts on Netflix on Monday, four weeks before the Dec. 25 anniversary of Ramsey’s 1996 murder.

The docuseries debuted on Nov. 25 on Netflix as an investigative series about JonBenét Ramsey, a 6-year-old who was reported missing from her home in Boulder on Dec. 26, 1996. The family of the beauty pageant star later found her dead in the basement of the home.

Without specifically addressing the docuseries, Boulder Police called many of the claims in the show "completely false."

Burke Ramsey is a software engineer who stays out of the public eye - but he sued CBS in 2016 for US$750 million for alleging that he may have been responsible for his beauty queen sister's slaying Netflix's latest crime documentary Cold Case: Who Killed JonBenet Ramsey delves into the shocking murder of the six-year-old beauty queen in her family

Authorities in Colorado are refuting claims that there is potential evidence and leads about the 1996 killing of JonBenet Ramsey that they are not tracking.