The resolution of a Riverside County murder case, stagnant for nearly half a century, showcases the power of modern DNA forensic science. Esther Gonzalez, just 17 years old, was found dead in 1979 near Banning, a victim of rape and murder. After decades of dead ends, her assailant was finally posthumously identified as Lewis Randolph "Randy" Williamson, a man once dismissed as a suspect after passing a lie detector test.
According to a press release by the Riverside County District Attorney's Office, renewed efforts in cold case investigations and breakthroughs in DNA technology were decisive in cracking the case. Despite Williamson's demise in Florida in 2014, a blood sample collected during his autopsy was matched to the semen sample from the crime scene. This came after the Riverside County Regional Cold Case Homicide Team uploaded the sample into the Combined DNA Index System (CODIS) and later partnered with Othram, Inc. for advanced genealogical testing.
At the time of the murder, Williamson evaded suspicion following his argumentative call to authorities to report the discovery of Gonzalez's body. In a news release obtained by KTLA, it was revealed that Williamson's initial clearance was based on him passing a polygraph test, a method now known for its unreliability in determining guilt or innocence.
With the revelation of the suspect's identity, the Riverside County Regional Cold Case Homicide Team has extended an appeal for information. They urge those who knew Williamson or have knowledge of Esther’s case or other potential victims to come forward. Individuals can contact the team at (951) 955-2777 or via email at [email protected].
