A new cold case investigation has been opened into the long unsolved murder of child beauty pageant star JonBenet Ramsey. Police in Colorado hope that new forensic techniques could finally solve the murder of the six-year-old girl found dead in the basement of her family home in Boulder almost three decades ago. Her body was found beaten and strangled on Boxing Day in 1996, hours after her parents, John and Patsy, reported her missing and a ransom note was found in the house. Her death has been ruled as a homicide, though nobody has ever been charged over her murder....