A look back at how "48 Hours" covered the 1996 Christmastime murder of JonBenét Ramsey in 2002, and what her father John Ramsey says about the unsolved Colorado case nearly 28 years later.

"48 Hours" correspondent Erin Moriarty speaks with John Ramsey to discuss the ongoing investigation into the murder of his 6-year-old daughter JonBenét in 1996. Nearly 28 years later, Ramsey says he believes the case can be solved "if the police take advantage of all the technology" available to them.