Timeline:
December 26, 1996: JonBenet Ramsey, 6, is found dead in the basement of the family's Boulder home, several hours after her mother called 911 to say the girl was missing and that she had found a ransom note. She was killed after she was strangled and suffered a fractured skull
January 1, 1997: Patsy and John Ramsey appear in first TV interview to protest their innocence
April 30, 1997: They undergo formal interviews at the Boulder County Justice Center
May 20, 1997: Mrs Ramsey, who authorities believe could have written the ransom note, gives them a fifth handwriting sample
Summer 1997: The Ramseys move from Colorado to Atlanta
March 12, 1998: Boulder police ask the DA to take the case to a grand jury
June, 1998: Boulder police present the results of their investigation to Hunter's prosecutorial team and outside advisers; the Ramseys are interviewed separately over three days by investigators
August 12, 1998: Authorities say the Ramsey case will go to a grand jury and the following month, it begins
October 13, 1999: The grand jury disbands and the DA announces there is not enough evidence to file charges against the couple
March 29, 2001: The Ramseys file an $80 million libel and defamation lawsuit against officers at the Boulder Police Department who agree to an undisclosed settlement in the case
March 31, 2003: Federal judge says evidence is 'more consistent with a theory that an intruder murdered JonBenet than it was with a theory that Mrs. Ramsey did'
December 2003: New DA confirms that DNA from a spot of blood from JonBenet's underwear has been entered into the FBI's national database - but that it's not from her family
June 24, 2006: Patsy Ramsey dies in Roswell, Georgia, at age 49, from ovarian cancer
August. 16, 2006: John Mark Karr, a 41-year-old American school teacher who confessed to the crime, is arrested in Bangkok, Thailand - but his DNA does not match that found on the body
July 9, 2008: DA makes public a letter she has written to John Ramsey explaining that new DNA tests have convinced her that no member of the Ramsey family should remain under any suspicion
September 2010: Reports surface that police seek to re-interview JonBenet's brother Burke, who had been 9 at the time of her death, as they continue to investigate the death
July 21, 2011: John Ramsey remarries to Jan Rousseaux, 53, a designer
June 14, 2012: A. James Kolar, who worked as an investigator in the DA's Office, writes in a new book that the Ramsey family 'may have been involved at least as an accessory after the fact'
October 23, 2013: Judge rules that the court will release grand jury indictment about the Ramseys
October 25, 2013: Indictment is released, revealing that in 1999 it accused the Ramseys of two counts each of child abuse resulting in death in connection to the first-degree murder of JonBenet