A massive breakthrough in the JonBenét Ramsey cold case has been made as an investigator’s secret spreadsheet nail the beauty ...

JonBenét's brother Burke Ramsey has kept a low profile even as Netflix's "Cold Case: Who Killed JonBenét Ramsey" reignites interest in the murder.

Here's everything to know about JonBénet Ramsey's older brothers, John Andrew and Burke Ramsey, and what they've said about her unsolved murder in the decades since.

Mark Fix/ZUMA Press JonBenet Patricia Ramsey winning a beauty pageant at 1996 America's Royale Little Miss National Beauty contests.

JonBenét Ramsey's dad says he knows who murdered his daughter - and the 'police blew it off'© GETTY The residence at 749 15th Street, where JonBenet Ramsey was murdered in December, 1996© GETTY ...

JonBenét Ramsey, 6, was found dead in the basement of her family’s home in Boulder on Dec. 26, 1996, bludgeoned and strangled. Her father still hopes for answers.

JonBenet's older brother, Burke Ramsey, who was 9 at the time of her death, was also the subject of media rumors accusing him of being the killer.

JonBenét Ramsey’s father John Ramsey slammed the suggestion that her brother Burke, who was 9 years old at the time of her 1996 murder, had anything to do with it.

Thursday marks 28 years since 6-year-old JonBenet was found strangled and bludgeoned to death in the basement of her family’s Boulder home on Dec. 26, 1996, and her killer remains unknown.

Nearly 30 years after the murder of 6-year-old JonBenét Ramsey gripped the nation, investigators are pursuing new leads based on a detailed spreadsheet compiled by the late homicide detective Lou Smit ...

Decades after JonBenét Ramsey's death at age 6, her dad, John Ramsey, claimed that crucial DNA in her case was never tested.