Police in Boulder, Colorado, say there are fresh leads in a decades-old cold case, and they believe they may find out who killed 6-year-old JonBenét Ramsey. The news follows a recent Netflix documentary that shed light on one of the most shocking cases in modern history.

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 into the unsolved murder of 6-year-old beauty queen JonBenet Ramsey, sources told ABC News.

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.

The shocking 1996 murder of 6-year-old JonBenet Ramsey, which has remained unsolved after years of investigation, may be closer now to a resolution than it's ever been. ABC News reports that investigators say that "progress is being made" in the investigation into Ramsey's murder,

A 59-year-old convicted sex offender currently imprisoned in Colorado is once again the focus of the investigation into the 1996 murder of child beauty queen JonBenét Ramsey in Boulder. Handwriting analysis by two experts has linked letters written from prison by Gary Oliva to the infamous ransom note written by Ramsey's killer.