PART OF WHAT MAKES THE Shadow Wolves so indispensable here has to do with the region’s deadly heat, which debilitates things like infrared sensors and smart-nosed dogs. And part of it has to do with ...

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.

SELLS — Shadow Wolves officer Sloan Satepauhoodle's patience is wearing thin. She's been following tracks of four suspected drug runners for nearly two hours beneath a blazing sun and battling a hot, ...