Volunteers help keep migrants alive in extreme heat
Daily Border Patrol apprehensions of migrants along the Arizona desert have spiked by more than 100% in recent days, despite scorching temperatures surpassing 110 degrees Fahrenheit there, according to internal Border Patrol data obtained by CBS News. CBS News immigration reporter Camilo Montoya-Galvez traveled to Yuma, Arizona, where he spoke to volunteers trying to save migrants' lives.