FBI Boosts Enforcement Operations on Tribal Lands
Federal authorities report over 100 arrests and hundreds of new case investigations through intensive operations in 2026.
Updated on Oct. 20, 2026 in Law Enforcement

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Between April 1 and September 30, 2026, the FBI significantly increased its activity on tribal lands, leading to 118 arrests and the resolution of hundreds of cases. These actions are part of a broader federal push to address missing persons, kidnappings, and homicides.
Why it matters
The intensified operations target unresolved crimes on tribal lands, seeking to provide justice for victims and improve safety in historically underserved communities. Through these efforts, officials are leveraging public tips and rewards to close long-standing cases.
Between April 1 and September 30, 2026, the FBI worked over 500 cases, resulting in 118 arrests and 41 federal charges. The agency also recovered 72 weapons and identified 25 child victims during the operation period.
The players
FBI
The Federal Bureau of Investigation is the domestic intelligence and security service of the United States and the principal federal law enforcement agency.
Michael Plentybuffalo
He is a suspect charged federally in Montana in connection with the death of Shann Nomee.
Shann Nomee
She was a missing person whose death became the subject of a federal criminal investigation.
The details
Operation Not Forgotten focuses on crimes such as homicides and kidnappings, while the separate Operation Steadfast has opened over 1,200 investigations on tribal land. Investigators successfully used public tips to identify Michael Plentybuffalo, who was charged in Montana for the death of Shann Nomee.
Timeline
Shann Nomee went missing in January 2024.
The Operation Not Forgotten reporting period began on April 1, 2026.
The reporting period for the operation ended on September 30, 2026.
Operation Steadfast was announced in 2026.
Legal Context
These operations represent an expanded federal commitment to investigating violent crimes on tribal land that mirrors the data-sharing and reporting requirements established by the Savanna's Act. This shift marks a departure from traditional jurisdictional hurdles by centralizing federal investigative resources.
Residents on tribal lands may see increased federal presence and outreach as the FBI actively solicits tips for ongoing investigations. The agency has also increased its reward offer to $25,000 for information leading to the resolution of specific homicides and kidnapping cases.
The takeaway
The FBI is actively prioritizing long-standing cold cases and violent crimes in tribal regions to improve public safety outcomes. Citizens can assist by visiting the Voices Not Forgotten webpage to share information that may lead to the closure of investigations.
Further reading
For additional context regarding federal investigations, visit the Law Enforcement section.
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