The "Shadow Wolves" are members of the Tohono O’odham Nation, which is in Southwestern Arizona and shares 76 miles of border with Mexico.

The Shadow Wolves patrol that border and are known for their tracking abilities and knowledge of the land. Gallego's bill, ...

The Shadow Wolves patrol that border and are known for their tracking abilities and knowledge of the land. Gallego's bill, cosponsored by Sen. Mark Kelly, D-Ariz., ...