Quayle, 35, was found murdered in her Cherry Hills home on August 4, 1981. She was nude and had been strangled, stabbed and shot.
From there, progress in the inquiry was made at an agonizingly slow pace. As noted in a February 25 press conference about the Anderson bust, investigators collected 140 pieces of evidence, and two years later, testing of an area rug revealed so-called "foreign material" of the sort that might offer opportunities for DNA testing. But it took until 1995 for the rug to be sent to the Colorado Bureau of Investigations for analysis, and another five years after that for a DNA profile to be developed.