Katherine Kolodziej, 17, was reported missing 50 years, her body found, murdered, almost a month later on Nov. 28.

Thirty-six years after Tracy's death, the sheriff's office used lab data to identify John Guillot Jr. as her killer. Sheriffs ...

Police in Boulder, Colo., shared an update last week on the cold case murder of 6-year-old JonBenét Ramsey as the 28th ...