Shadow Wolves

The "Shadow Wolves" are a Native American tactical patrol unit assigned to Homeland Security Investigations (HSI) in Sells, Arizona located on the Tohono Oʼodham Nation that runs along the Mexico–United States border.

[1] The Shadow Wolves specialize in the interdiction of human and drug smugglers in the Sonoran Desert, utilizing both technology and the traditional tracking methods.

[2] The Shadow Wolves are the Department of Homeland Security's only Native American tracking unit specifically utilized for targeted interdiction operations.

[4] The "Shadow Wolves" law enforcement unit was created in 1974 by an Act of Congress, after the U.S. federal government agreed to the Tohono O'odham Nation's demand that the officers have at least one fourth Native American ancestry.

The Tohono Oʼodham Nation, patrolled by the Shadow Wolves, covers 2,800,000 acres (11,000 km2), including a 76 mile (122 kilometer) stretch of land shared with Mexico.