Creates new Tribal-focused tools and programs to improve how missing people, unclaimed remains, and unidentified remains cases in Indian country are reported, tracked, and resolved. It establishes one or more Tribal facilitators for the National Missing and Unidentified Persons System (NamUs), requires regular public and congressional reporting, directs staffing data collection and a Government Accountability Office (GAO) study, and funds grant and demonstration programs to strengthen BIA/Tribal law enforcement, evidence processing, and culturally appropriate victim services.

Sets up a 5-year demonstration for background checks of Bureau of Indian Affairs (BIA) law enforcement applicants, a grant program to improve coordination on missing and murdered Indigenous people, GAO studies of evidence processing and staffing needs in Indian country, and interagency action to provide culturally informed counseling and training. The bill includes reporting deadlines and authorizes funding for the grant program to support implementation and oversight.