Mayorkas: No evidence to suggest mystery drones are ‘nefarious’

Homeland Security Secretary Alejandro Mayorkas suggested that the mysterious drones reportedly spotted in the skies of New Jersey and around the country are not "nefarious" nor a "threat."

"We know of no threat or nefarious activity, and I want to repeat, Wolf, that if we learn of any cause for concern, we will be transparent in our communication," Mayorkas told CNN's Wolf Blitzer Friday.

His response comes as there have been mounting reports of sightings in New Jersey, New York and...