BAKERSFIELD, Calif. (KGET) -- Authorities said homicide charges have been filed against a man in connection to the disappearance four years ago of a McFarland man. The Kern County District Attorney's Office said it filed homicide charges against Ray Anthony Sanchez, 34, related to the disappeara nce of Oscar Oliva. Oliva was reported missing out of the McFarland area in April 2021. RELATED: District Attorney’s Office assisting in search of missing McFarland man According to District Attorney's Office investigators, evidence showed Sanchez shot and killed Oliva and disposed of his body, but Oliva's body has not been located or recovered. Sanchez is currently in custody of the California Department of Corrections for an unrelated crime, McFarland police said in a statement. Close Thanks for signing up! Watch for us in your inbox. Subscribe Now Daily News SIGN UP NOW McFarland police are asking for help to locate Oliva's remains. A $10,000 reward is being offered for information about the case. Anyone with information is urged to contact the McFarland Police Department at 661-792-2121, contact the department anonymously at 661-428-1256 or the Kern Secret Witness hotline at 661-322-4040. ...read more read less