Surveillance tech makes US border even deadlier
23 Nov 2022
Deep in the Arizona desert on the southern US border, a surveillance tower rises more than 150 feet (46 m) into the air, its swiveling cameras taking in the surrounding valley. With a viewing range of up to 7.5 miles (12 km), it can watch over three nearby communities and into the foothills of the Baboquivari mountains, one of the most