| http://www.w3.org/ns/prov#value | - Some bills have stalled or are still pending, but at least six states now require warrants, and Virginia has put a two-year moratorium on drone use by law enforcement to provide more time to develop guidelines.Domestic drones often resemble the small radio-controlled model airplanes and helicopters flown by hobbyists and can help monitor floods and other emergencies, survey crops and assist search
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