South Dakota Attorney General Marty Jackley says the final defendant in a 2022 double homicide in Rapid City has been sentenced to life in prison.
Montell Olivera, 29, received three life sentences Friday in Pennington County Circuit Court after being convicted of two counts of first‑degree murder and conspiracy to commit first‑degree murder.
Jackley said the sentencing brings “finality” for the victims’ families.
Olivera, along with Dillon Wilson, 22, and Erin Provancial, 45, were convicted in the shooting deaths of Joseph Standing Bear, 29, and Petan Milk, 37, at the Surfwood Apartments on Aug. 20, 2022. Wilson and Provancial previously received life sentences without parole for aiding and abetting first‑degree murder and conspiracy.
Eight people were charged in the case; the remaining defendants accepted plea deals and testified for the state.
Investigating agencies included Rapid City Police, the Pennington County Sheriff’s Office, Highway Patrol, DCI, Rosebud Sioux Tribe Law Enforcement, and the U.S. Marshals Service. The Attorney General’s Office and the Pennington County State’s Attorney prosecuted the case.
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