Find out what investigators have said about the ransom letter sent to JonBenét Ramsey's family in the wake of her disappearance. Read it now.

The director of a new docuseries about her murder is urging police to share developments in the 28-year-old cold case.

From the ransom note to an unidentified bootprint, these pieces of evidence might hold the key to solving JonBenét Ramsey’s murder

Progress is being made in the investigation into the unsolved 1996 murder of 6-year-old beauty queen JonBenét Ramsey, those briefed on the investigation told ABC News.

Who Killed JonBenét Ramsey” that re-examines the 1996 killing of the 6-year-old is raising new hope among investigators to bring closure. Boulder police says the case could have been handled better and hopes the docuseries will generate more tips from the public decades later.

Investigators are closer to finding out who killed 6-year-old JonBenét Ramsey nearly two decades after the child was found dead, sources told ABC News. ABC News reported that unidentified sources briefed on the investigation said a team of experts has been assigned to look at remaining evidence in the case and to “apply the most modern scientific and cold case techniques to try to solve the crime.

People familiar with the case say that new techniques are being applied to the investigation into the six-year-old’s death.

I think if the right things are done, it can be solved," John Ramsey told FOX31's Jeremy Hubbard. "I really believe there’s a high probability with the technology that’s out there today that wasn’t there eight years ago when the last DNA testing was done.

The killing of JonBenét was an unspeakable crime and this tragedy has never left our hearts,” Boulder Police Chief Steve Redfearn said