Plain-English summary
Tribal officer may briefly detain and search non‑Indian on public right‑of‑way through reservation
The Supreme Court unanimously held that a tribal police officer has authority to temporarily stop and search a non‑Indian traveling on a public right‑of‑way through an Indian reservation for possible violations of state or federal law. The Ninth Circuit’s suppression of evidence was vacated and the case remanded.
Why this matters
The ruling clarifies that tribal law enforcement can take short, investigatory actions on public roads through reservations when state or federal laws may have been broken, affecting how crimes are investigated in and near reservations and the admissibility of evidence gathered by tribal officers.
Who may feel it
- Non‑Indian travelers on public rights‑of‑way crossing Indian reservations
- Tribal police officers and tribal law enforcement agencies
- Federal and state prosecutors and defense attorneys handling crimes on or near reservations
- Tribal governments and members of nearby communities
Key questions
- Do tribal police have authority to temporarily detain a non‑Indian on a public right‑of‑way that runs through an Indian reservation for suspected violations of state or federal law?