On July 7, 2001, Gary Leon Ridgway was taken into custody at age fifty-two, ending nearly two decades of one of the most extensive serial murder investigations in American criminal history. Investigators in King County, Washington, had known his name for years — he had been a person of interest since 1982 — but they had lacked the evidence to make an arrest. What changed everything was a scientific breakthrough that had arrived almost twenty years too late for his victims, but not too late for the law.
Advanced DNA analysis, a technology still in its infancy when the Green River murders first began, produced conclusive matches between Ridgway's genetic profile and biological evidence recovered from four of his victims. That confirmation transformed him from a name on a suspect list into a documented perpetrator. Following his arrest on the morning of July 7, he was transported to the King County Jail in downtown Seattle, where he would be held as prosecutors assembled the case that would eventually put him in prison for life.
The investigation Ridgway finally closed that July morning had begun nineteen years earlier. In 1982, the bodies of several murdered women were discovered along the Green River, a tributary of the Duwamish River in Washington State, and the case that would bear that name took shape. The victims were predominantly young women involved in sex work, individuals whose disappearances often went unreported or received minimal investigative attention. This was not coincidence. Ridgway had deliberately targeted people whose absence was less likely to trigger immediate alarm, exploiting a gap in both social attention and investigative resources.