the death of child beauty queen JonBenét Ramsey, investigators say they are following up a number of "very promising" leads to her killer’s identity.In 1997, renowned detective Lou Smit was asked to come out of retirement to help solve the Ramsey case.He had challenged the original theory that JonBenét’s mother Patsy Ramsey had been responsible for the six-year-old's murder and her husband had helped her cover it up. READ MORE: JonBenet Ramsey's family launch new DNA-test bid to finally solve six-year-old's murder Instead, Smit said that DNA evidence pointed to an intruder breaking into the house and carrying out the sexually-motivated murder.Smit maintained that that "the Ramseys did not do it" and said there was "substantial, credible evidence of an intruder and a lack of evidence that the parents are involved".But the ace detective, who cracked some 200 murder cases during his career, died in 2010.
Since then a team of volunteers including his daughter, Cindy Smit-Mara, and former law enforcement officer John Anderson, has been continuing his work.They say they are regularly receiving tips and leads but the core of their investigation is a detailed set of notes left behind by Smit."He carefully compiled and prioritised his investigative notes in an extensive spreadsheet and PowerPoint presentation," Anderson and Smit-Mara told The US Sun. "Many of those leads are very promising."The investigators believe that DNA traces left at the crime scene by an intruder will eventually help crack the case.JonBenet was strangled with an improvised nylon cord garrote that was apparently made by the killer shortly before her death.Read more on dailystar.co.uk