(CNN)Here is some background information about the JonBenét Ramsey murder investigation. The 6-year-old beauty pageant queen was found murdered in her Boulder, Colorado, home on December 26, 1996. No one has ever been charged in the case and the investigation is still open. Early suspicion fell on her parents, but they were exonerated after DNA at the scene was found to belong to a male unrelated to the Ramsey family.
JonBenet Ramsey Murder Fast Facts
Birth date: August 6, 1990
Birth place: Atlanta, Georgia
Birth name: JonBenét Ramsey
Parents: John and Patricia "Patsy" Ramsey
Siblings: Burke Ramsey; John Andrew Ramsey, (half-brother); Melinda Ramsey Long, (half-sister); Elizabeth Ramsey, (half-sister), died in 1992 at age 22
JonBenét was named after her father, John Bennett Ramsey, and her name is pronounced in a French style. (zhawn ben-AY)
She won the following beauty pageants - Little Miss Colorado, Little Miss Charlevoix, Colorado State All-Star Kids Cover Girl, America's Royale Miss, and National Tiny Miss Beauty.
She is buried in Marietta, Georgia, beside her mother, who died from ovarian cancer in 2006, and her half-sister Elizabeth Ramsey, who died in a car crash in 1992.
December 26, 1996 - JonBenét is murdered in her Boulder, Colorado, home. Her body is found in her basement that same day. JonBenét's mother, Patsy, says she found a ransom note demanding $118,000 for JonBenét's return.
January 4, 1997 - Reports reveal that JonBenét's skull had been fractured.
December 1997 - Boulder police say John and Patsy Ramsey remain under "an umbrella of suspicion."
January 15, 1998 - JonBenét's parents decline to participate in a second interview with detectives, saying that they won't cooperate unless police allow them to review evidence in the case.
October 13, 1999 - Boulder County District Attorney Alex Hunter states that no indictments will be issued due to a lack of evidence in the case.
December 2003 - A new DNA sample is submitted to the FBI database in the hope of finding new leads.
June 24, 2006 - Patsy Ramsey, age 49, dies of ovarian cancer.
August 16, 2006 - Officials announce that 41-year-old John Mark Karr has been arrested in Bangkok, Thailand as a suspect in the case. Karr allegedly told an American investigator that he drugged JonBenét and sexually assaulted her before accidentally killing her. Prosecutors later drop the case after DNA tests fail to link him to the crime scene.
July 9, 2008 - Boulder County District Attorney Mary Lacy says no one in the Ramsey family is considered a suspect and formally apologizes in a letter to John Ramsey.
February 2009 - The Boulder Police Department resumes its status as the lead agency investigating the case.
October 2, 2010 - Police investigators conduct new rounds of interviews.
January 27, 2013 - The Boulder Daily Camera reports that in 1999 the grand jury voted to indict John and Patsy Ramsey on charges of child abuse resulting in death, but Hunter decided there was not enough evidence to file charges and did not sign the indictment.
December 28, 2016 - After CBS airs a docu-series about the case suggesting that JonBenét's brother, Burke Ramsey, may have been the culprit, Burke files a $250 million defamation lawsuit against the network, the production company that made the documentary and one of the experts featured in the special, Dr. Werner Spitz. Burke had filed a separate defamation lawsuit against Spitz in October, stemming from a comment the doctor made during a radio interview. John Ramsey later files his own suit against CBS in Michigan state court.
January 2, 2019 - Following an undisclosed settlement, Michigan Circuit Court Judge David Groner signs an order of dismissal in the defamation lawsuit filed by Burke against CBS.