Player Embed Code: Download Embed Share Defense Official Discusses Security Risks Posed by Chinese Drones Defense.gov Sept. 10, 2020 | 50:57 Ellen M. Lord, undersecretary of defense for acquisition and sustainment, speaks about the use of Chinese drones by U.S. law enforcement and the risks posed to communities. The virtual event is sponsored by The Heritage Foundation, Sept. 10, 2020. Video courtesy of The Heritage Foundation.