The Case of Cynthia Jean Hinds

Cynthia Jean Hinds, 17, disappeared from the Sea-Tac area on August 11, 1982. Four days later, her body was discovered on the bank of the Green River near Kent alongside the remains of Marcia Chapman, while Opal Mills was found nearby. The discovery of three victims together became one of the defining early scenes in the Green River Killer investigation.

Cynthia Hinds was 17 years old and was living in the Seattle-Tacoma area when she disappeared in August 1982. She was last seen on August 11, 1982, near the Sea-Tac strip, an area along Pacific Highway South where Ridgway would repeatedly seek out women and girls during his murder spree. Cynthia disappeared during the first month of the Green River investigation. By this point, the bodies of Wendy Coffield and Debra Bonner had already been recovered, and investigators were beginning to recognise that a serial killer could be responsible for the growing number of deaths. Her disappearance was followed only one day later by that of 16-year-old Opal Mills.

On August 15, 1982, Cynthia's body was discovered on the bank of the Green River near Kent. Her body was found beside the partially clothed remains of 31-year-old Marcia Chapman. Nearby, investigators discovered the body of 16-year-old Opal Mills. All three had been strangled. The discovery of three victims together provided investigators with compelling evidence that they were dealing with a serial killer rather than unrelated homicides. Detective Dave Reichert was among the first investigators to arrive at the scene. The discovery became one of the most memorable early crime scenes of the Green River investigation.

Cynthia's murder was investigated as part of the rapidly expanding Green River Killer case. The discovery of her body alongside Chapman and Mills dramatically increased concern about the number of women and girls being targeted in the Seattle-Tacoma area. Within days, authorities announced the formation of the Green River Task Force, bringing together investigators from multiple agencies to investigate the growing series of murders. King County later described the discovery of these early victims as the beginning of one of the longest and largest serial-murder investigations in United States history. Gary Ridgway became a suspect during the early investigation but investigators initially lacked enough evidence to charge him. Nearly two decades later, advances in DNA technology provided the breakthrough. Ridgway was arrested in November 2001 after forensic evidence linked him to several of the murders, including Cynthia's. Ridgway subsequently admitted killing Cynthia Hinds and pleaded guilty to her murder as part of his 2003 agreement with prosecutors.

Gary Ridgway pleaded guilty in 2003 to 48 aggravated first-degree murders, including Cynthia Hinds. He received 48 consecutive life sentences without the possibility of parole as part of a plea agreement that spared him the death penalty in exchange for information about his victims and the locations where he had disposed of their remains. Ridgway later pleaded guilty to the murder of Rebecca Marrero, bringing his known conviction total to 49.

Cynthia Hinds' case is closely connected to the murders of Marcia Chapman and Opal Mills because all three victims were discovered together on August 15, 1982. That crime scene became one of the clearest early indications of the scale of the emerging Green River killings. The discovery came less than a month after Wendy Coffield's body was found, showing how rapidly the number of victims was increasing.