JonBenet Ramsey's Brother Breaks His Silence Nearly 20 Years After His Sister's Murder

Burke Ramsey will open up to Dr. Phil in a 3-part season premiere next month.

Nearly 20 years after his sister was murdered, JonBenet Ramsey’s brother will speak publicly for the first time about the unsolved event that has gripped America.

Burke Ramsey, 29, will appear in a special three-part season premiere on Dr. Phil starting Monday, September 12, about the case that made headlines around the world.

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During the series, he will reveal never-before-heard details about the case, according to the show.

His pageant star sister, then 6, vanished on Christmas Day 1996. Burke was 9 at the time.

JonBenet's body was found the next day in the basement of her family's home, just a day after she was reported missing. She had been beaten and strangled on December 26, 1996, hours after her family reported her missing on Christmas Day.

Read: Former JonBenet Ramsey Murder Suspect Charged in Colorado Child Porn Case

In 2008, JonBenet’s parents, John and Patsy, were cleared as suspects in their daughter’s death. At the time, Patsy had been dead for 2 years after a battle with ovarian cancer.

No one was ever charged in the little girl’s death.

Watch: Police in Desperate Search for 5-Year-Old Girl After Mother Is Found Dead in Apartment