Great Basin Murders

Serial Killer

The Great Basin Murders: Victims, Dates, Locations, and the Search for a Killer

The Great Basin Murders is the name given to a disturbing group of killings discovered across Wyoming, Utah, Nevada, and Idaho between 1983 and 1997. For years, investigators considered the possibility that a single traveling serial killer was responsible. Many of the victims were young women whose bodies were abandoned near interstate highways, truck stops, rivers, desert roads, or other isolated places. The geography of the crimes, particularly their proximity to major transportation corridors such as Interstate 80 and Interstate 70, led to the informal name "Great Basin Killer." Later investigations changed that picture considerably. DNA testing, confessions, convictions, and renewed cold-case work connected several victims to different offenders. Therefore, the "Great Basin Killer" should not be described as one proven serial killer responsible for every case. Instead, the Great Basin Murders are best understood as a collection of crimes that originally appeared connected but were eventually shown to involve multiple killers, while several cases remain unsolved.

Why Investigators Suspected a Serial Killer

The similarities were difficult for detectives to ignore. Victims disappeared in different western states, yet their remains repeatedly appeared along major highways used by long-haul truck drivers and interstate travelers. Several women had been sexually assaulted. Others had been strangled, shot, stabbed, or beaten. Their bodies were often left far from the places where they had last been seen, suggesting that whoever killed them had the ability to travel long distances without attracting attention. The enormous distances also created investigative problems. A woman might disappear in one state and be found hundreds of miles away in another, forcing local police, sheriffs, state investigators, and federal authorities to compare cases maintained by different agencies. Before modern DNA databases and computerized records became widely available, making those connections could take years.

Victims, Dates, and Locations

• Janelle Johnson, 23 - Wyoming, 1983: Johnson was last seen on February 17, 1983, at a truck stop in Sinclair, Wyoming. Her body was discovered on March 1, 1983, in Fremont County. Investigators determined that she had been sexually assaulted and murdered, and her remains had been concealed in a shallow grave. Forensic evidence included semen and an apparent bite injury. Her precise date of death has not been conclusively established in public records, so it is safest to place her death between her February 17 disappearance and the March 1 discovery. Her homicide remains one of the early cases associated with the Great Basin series.
• Lisa Marie Kimmell, 18 - Wyoming, 1988: Kimmell disappeared during a drive from Colorado to Montana in late March 1988. She was last reliably seen on March 25, when a Wyoming Highway Patrol officer stopped her near Douglas. On April 2, 1988, fishermen discovered her body in the North Platte River southwest of Casper. She had suffered a severe blow to the head and multiple stab wounds, and she had been sexually assaulted. Medical evidence indicated that she had been dead for at least a day and a half and possibly several days when she was recovered, making the exact day of death uncertain. Investigators eventually proved that Dale Wayne Eaton had kidnapped and sexually assaulted Kimmell and killed her. DNA recovered from the case was linked to Eaton, and Kimmell's missing vehicle was later discovered buried on his property. Eaton was convicted of her kidnapping, rape, and murder in 2004.
• Vikki Lynn Perkins, 19 - Utah, late 1980s: Perkins was associated with Portland, Oregon, before her disappearance and was known to travel by hitchhiking. Her remains were eventually found beside Interstate 70 near Green River in Emery County, Utah. Investigators concluded that she had been strangled and beaten and estimated that she had been dead for roughly three months when discovered. Surviving public and archival reports conflict about the precise discovery date, with different records placing the recovery in 1989 or 1990. Because of that conflict, an exact death date cannot responsibly be stated. Long-haul trucker and convicted murderer Scott William Cox was investigated in connection with Perkins, but investigators did not establish evidence proving that he killed her.
• Patricia Candace "Candy" Walsh, 24 - Utah, approximately 1989-1990: Walsh and her husband, Douglas Scott Zyskowski, left the Seattle area in November 1989 while traveling toward Georgia. They encountered long-haul truck driver Robert Ben Rhoades. Rhoades killed Zyskowski shortly after picking up the couple and then held Walsh captive for approximately a week. During that period she was sexually assaulted and tortured before being shot. Her body was abandoned in rural Millard County, Utah, where deer hunters discovered it on October 26, 1990. She remained unidentified until 2003. The exact day of her death has not been firmly established, although investigators place it during the winter of 1989-1990. In 2012, Rhoades pleaded guilty to the murders of both Walsh and Zyskowski and received additional life sentences.
• Barbara Kaye Williams - Utah, approximately early 1991: Williams' body was discovered partially concealed in sagebrush in Juab County, Utah, in March 1991. Investigators believed the body had been there for approximately one month. An examination determined that she had suffered eight gunshot wounds to the head. The unidentified victim was finally identified as Barbara Williams in 1999. Her husband, Howell Williams, admitted that he had killed her in their Midvale, Utah, apartment, shooting her repeatedly while she was in a bathtub. He later transported her body away from the apartment and abandoned it in Juab County. Because investigators estimated that her remains had been at the recovery site for about a month, her death is generally placed in early 1991 rather than assigned an unsupported exact day. Howell Williams was convicted of her murder in 2000.
• Ermalinda Garza Sherman, 32 - St. George, Utah, April 2, 1991: Sherman was found dead on April 2, 1991, in a desert area south of St. George, Utah, near a roadside. She had suffered multiple gunshot wounds to the head as well as blunt-force injuries. Utah authorities record April 2, 1991, as her date of death. Unlike several other cases once grouped under the Great Basin theory, Sherman's homicide remains unsolved. The remote location of her body and the violent manner of death contributed to investigators' early interest in comparing her killing with other murders throughout the region.
• Irene Vasquez, formerly known as "Bitter Creek Betty" - Wyoming, 1991-1992: Vasquez's frozen body was discovered on March 1, 1992, near Interstate 80 approximately 40 miles east of Rock Springs in Sweetwater County, Wyoming. Investigators found evidence of sexual assault, strangulation and significant trauma. The condition of the remains indicated that her body may have been left in the area sometime between approximately October 1991 and February 1992, so March 1 should be treated as the discovery date rather than a certain date of death. For decades she was unidentified and became known as "Bitter Creek Betty." Modern forensic genealogy eventually restored her identity as Irene Vasquez. DNA evidence also linked forensic material in her case to Clark Perry Baldwin, a long-haul truck driver accused of multiple murders. Baldwin died in 2025 before he could be tried for the Wyoming homicide, meaning he was never convicted of Vasquez's murder.
• Marion Hertha Alexander, formerly known as "Shafter Jane Doe" - Nevada, November 1993: Alexander's body was found near the Shafter exit of Interstate 80 in Elko County, Nevada, in November 1993. She was 25 years old. She had been shot twice with a small-caliber firearm, and investigators believed she had been dead for several days before being discovered. For more than three decades she remained unidentified and was known as "Shafter Jane Doe." In June 2026, Elko County authorities publicly announced that genetic genealogy had identified her as Marion Hertha Alexander, a German-born woman who had lived and traveled in the western United States. Current county records use November 16, 1993, as her recorded death date, although earlier forensic estimates indicated she may actually have been killed several days before her body was found. Investigators identified Roger Lee Durkee as the probable killer based on DNA and other evidence and stated that they believed sufficient evidence existed to charge him. Durkee died in November 2025 before an arrest could be made, so the allegation was never tested at trial.
• Tonya Teske, 18 - Idaho, August 15, 1997: Teske was last known to be alive around August 13, 1997, in the vicinity of a truck stop in Montana. On August 15, her body was discovered beside U.S. Highway 20 near Ucon, Idaho, by travelers passing through the area. Authorities record August 15, 1997, as her date of death. Evidence indicated that she had been sexually assaulted, but publicly available information has not established a definitive cause of death with the certainty seen in several other Great Basin cases. Investigators examined possible suspects, including a truck driver, but no one has been convicted of killing Teske. Her case remains one of the unresolved homicides associated with the Great Basin investigation.

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Confirmed Victims: (9)

Janelle Lee Johnson Age: (23), Date of Death: 1983-02-17

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