Drug drone activity at U.S.-Mexico border drops 75% after U.S. uses laser weapon, military says

The use of drones connected to drug trafficking has sharply declined at the U.S.-Mexico border after the U.S began using a laser weapon to target the devices, according to U.S. military officials. CBS News' Eleanor Watson has more.

The use of drones connected to drug trafficking has sharply declined at the U.S.-Mexico border after the U.S began using a laser weapon to target the devices, according to U.S. military officials. CBS News' Eleanor Watson has more.