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

Who Killed JonBenét Ramsey” was the most-watched series on Netflix during the week of Nov. 25 to Dec. 1. In those seven days, the docuseries hit 13.4 million views. The series hit Netflix one month before the 28th anniversary of Ramsey’s murder in 1996.

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.

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.

The JonBenét Ramsey murder case is moving again, sources close to the investigation have said. The six-year-old’s body was found in the family basement with a ransom note on the morning of Dec. 26, 1996.

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.

Progress is being made in the investigation of the 1996 unsolved murder of 6-year-old JonBenét, sources told ABC News.

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