Rep. Carlos Giménez (R-Fla.) warned Tuesday that the federal government lacks a clear understanding of widespread drone sightings across the U.S., calling the situation a potential national security vulnerability.

Giménez, a member of the House Homeland Security Committee, told NewsNation's "Dan Abrams Live" that he is deeply concerned about the government's inability to track or identify the origins of numerous drone flights.

"The federal government hasn't the faintest idea what's going on with these drones," the Florida Republican said.........

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