The Green River Killer

Beginning in July 1982, a killer began targeting vulnerable women — many of them sex workers — along the Green River in King County, Washington. The first confirmed victims were found in and near the Green River south of Seattle. Despite an early and intensive investigation that at one point involved detectives interviewing a suspect named Gary Ridgway, the murders continued for years. Ridgway was briefly considered a suspect in 1983 but passed a polygraph and was released, allowing him to continue killing. By the late 1980s, the Green River Task Force had investigated over 40 murders. The investigation spanned nearly two decades. Detectives used every available forensic technique, interviewed thousands of people, and even consulted with convicted serial killer Ted Bundy, who offered his psychological insights from death row. Despite these efforts, the killer remained unidentified. Many of the victims were reported missing by family members who were sometimes dismissed by authorities, a failure that haunted the investigation for years. Gary Ridgway remained a peripheral suspect but nothing could be proven. The breakthrough came in 2001, when advances in DNA technology allowed forensic scientists to match evidence from victim crime scenes to Gary Ridgway, a truck painter who had lived and worked in the area for decades. Ridgway was arrested in November 2001. Faced with overwhelming DNA evidence, he agreed to a plea deal: in exchange for a life sentence rather than the death penalty, he would cooperate fully with investigators and lead them to the remains of victims whose fates were unknown. He pleaded guilty in 2003 to 48 murders — later revised to 49 — and provided information about additional victims, dump sites, and his methods over many years of interviews. Gary Ridgway is considered one of the most prolific serial killers in United States history. He is currently serving multiple consecutive life sentences without the possibility of parole. The case highlighted how serial killers exploit societal vulnerabilities, particularly the marginalization of sex workers and runaways, who were often not taken seriously as missing persons. The Green River case led to significant improvements in how law enforcement investigates missing persons reports, particularly for vulnerable populations.