Immigration and Customs Enforcement Shadow Wolves agents make drug bust in Arizona desert
Alonzo Pena, a special agent in charge for ICE (Immigration and Customs Enforcement) in Arizona, waits outside a home while agents investigate the scene where 300 pounds (136 kg) of marijuana were found near Sells, Arizona, February 1, 2007. The Shadow Wolves, an elite group of Native American trackers that use skills handed down from the ancestral hunt is being tapped to play a larger role in securing the United States' borders. Picture taken February 1, 2007. REUTERS/Jeff Topping (UNITED STATES)