we have more on what this could mean for the case. >> reporter: who killed jonbenet ramsay?solutely. >> the 6-year-old beauty queen was found dead in the basement of her family's home on the day after christmas, 1996. >> i will tell my friends to keep -- keep your babies close to you. >> reporter: while a killer has never been caught details about the case revealed by a lead investigator. former boulder police chief in a recent ask me anything session with read it which has been deleted, he shared new information about how jonbenet died saying she was hit in the head knocked unconscious 45 minutes to two hours prior to being strangled. jonbenet most likely wasn't assaulted at the time of the killing, despite a 1999 grand jury report that said there was reason to believe otherwise. they suggest that was all staged. >> by last count, we investigated over 140 people as possible suspects in the case. >> reporter: in 2009 they spoke that not one suspect was identified. the mystery unsolved. now, he admits mistakes were made by police in the initial days after the crime. in retro