substance abuse issues, and Yates would often do drugs with them and other prostitutes. The victims were initially solicited for sex work by Yates, who would have sex with them, (often in his Ford van), then kill them and dump their bodies in rural locations. All of his victims died of gunshot wounds to the head or heart. Eight of the murders were committed with a Raven .25-caliber handgun, and one attempted murder was linked to the same model of handgun. On September 19, 1998, Yates was asked to give a DNA sample to Spokane police after being stopped. He refused, stating that it was too extreme of a request for a "family man." Patrick Allen Oliver and Susan Patricia Savage On July 14, 1975, the bodies of Patrick Oliver, 21, and Patricia Savage, 22, were found shot in the head near Mill Creek. They were last seen the day before, on their way for an afternoon swim and picnic. Stacy Elizabeth Hawn On December 28, 1988, the partial skeleton of Stacy Hawn, 23, was found near Big Lake. She was last seen on July 7, 1988 in Seattle. Yates confessed to picking up Hawn, who was working as a prostitute, in his van nearby. Shannon Rene Zielinski On June 14, 1996, Shannon Zielinski, 38, was found shot in the head in Mead. Her partially nude body was badly decomposed and dumped in a wooded area near a school bus stop. Zielinski had a lengthy criminal record and worked as a prostitute. Heather Louise Hernandez On August 26, 1997, the body of Heather Hernandez, 20, was found in an overgrown lot in Spokane. She was shot five days earlier according to detectives. Hernandez had only recently come to the area and within a few weeks was arrested twice for prostitution. Jennifer Ann Joseph On August 26, 1997, Jennifer Joseph, 16, was found shot in the head in a field in Spokane. Police found a brown towel and a brown hair belonging to a white male at the scene. After Joseph's parent's divorce, she dropped out of high school and moved to Tacoma. She started using methamphetamine and became involved in prostitution. She was killed just a month after arriving in Spokane. Darla Sue Scott On November 5, 1997, the partially decayed remains of Darla Scott, 29, were found in a shallow grave near a golf course in Spokane. Scott, who