Tensions between China and the US have risen dramatically in recent years, and the revelations have led the latter to fear that the former is now using civilians to dig up potentially sensitive information that could aid in the CCP's efforts.
According to the Wall Street Journal, approximately 10,000 "controlled turnarounds" are recorded at military bases across the nation, mostly involving people who simply took a wrong turn. In some cases, however, factors were present that warranted further investigation.
Chinese nationals have been spotted taking pictures at US army ranges, swimming near military facilities, and even using drones to obtain aerial footage of sites.
Source:
The Post Millennial