Additional Arrest Made in Box Butte County Homicide Investigation

June 15, 2026 (Alliance, Neb.)  — Investigators with the Nebraska State Patrol have arrested another person in connection with a homicide investigation that began last September.

In September 2025, NSP investigators arrested Tamara Bingham on multiple charges, including first degree murder, related to the homicide of Ebram Sifuentes. Sifuentes was found deceased in rural Box Butte County. Investigators also arrested Matthew Landreth as an accessory to a felony.

Thursday, June 11, NSP investigators performed a search warrant at a location in rural Sheridan County. Investigators arrested Ruby Bingham, Tamara’s mother, on charges of tampering with physical evidence, unlawful disposal of human remains, and accessory to a felony.

During Thursday’s search warrant, investigators also located methamphetamine. Another subject, Harley Salway, was arrested for possession of a controlled substance.

Both subjects were lodged in Box Butte County Jail. The investigation remains ongoing. The Nebraska State Patrol has been assisted by the WING Task Force, Box Butte County Sheriff’s Office, Sheridan County Sheriff’s Office, Alliance Police Department, and Nebraska Attorney General’s Office in this investigation.