The Shadow Wolves, an elite Tohono O'odham Nation-based border patrol group, could expand under Gallego's bill.

WASHINGTON — Since 1972, the Shadow Wolves, a specially trained unit of American Indian federal agents who patrol 76 miles of the Arizona border in the Tohono O'odham nation, have been celebrated for ...

THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED. THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED. VINCE CELLINI, CNN ANCHOR: ...