25 years after JonBenét Ramsey's murder, police still hope DNA will solve the case

Police in Boulder, Colorado, are marking 25 years since their investigation into the murder of JonBenét Ramsey began. After analyzing more than 1,500 pieces of evidence, including 1,000 DNA samples, investigators have high hopes a DNA match will soon solve the case. 

"Thanks to the huge advances in DNA technology, multiple suspects have been run through the system to check for matches," police said in a statement.

The Colorado Bureau of Investigation updated over 750 reference samples with the latest DNA technology, and officials said that DNA is checked regularly for new matches.