The Shadow Wolves, an elite Tohono O'odham Nation-based border patrol group, could expand under Gallego's bill.
North Dakota Senator John Hoeven has reintroduced a bill attempting to improve advancement opportunities for the Shadow Wolves, a tactical unit that patrols the southern border.
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.