Robin Mcculler, a female resident of Fresno, California, was murdered on June 22, 1975. Her age and ethnicity were not publicly disclosed. Her death became one of several unsolved Fresno-area killings from the mid-1970s that later received renewed attention with advances in forensic science.

Investigators later identified Ray Dell Sims as a suspect in Mcculler’s murder. Sims was already serving a life sentence for a 1977 murder and was convicted in 2008 for the 1974 killing of 15-year-old Elizabeth Ortega; DNA evidence was key in that conviction. Charges linking Sims to Mcculler were ultimately dropped, with prosecutors noting he was already serving a life sentence and could not receive additional punishment under the law at the time.

Officials acknowledged Sims as a suspect based on his pattern of targeting young female victims in Fresno during the mid-1970s and circumstantial links, but Mcculler’s case remains officially unresolved. Does anyone have information about Robin Mcculler or her activities in Fresno around June 1975?