On Wednesday, the Senate Homeland Security and Governmental Affairs Committee unanimously advanced the Shadow Wolves Improvement Act, a bipartisan bill introduced by U.S. Sen. Ruben Gallego (D-AZ).

Sen. Ruben Gallego was expected Thursday to reintroduce legislation to expand the Shadow Wolves, an Immigration and Customs Enforcement tactical patrol group that patrols the Tohono O'odham Nation.

David (Dave) Scout, a retired Homeland Security Investigations Supervisory Tactical Officer who led the Shadow Wolves unit along the U.S.-Mexico border, died on Jan. 23, 2026. He was 52. Scout was ...