US investigating whether Chinese citizen charged with flying drone over base committed 'more serious offenses'

The U.S. government is investigating whether the Chinese citizen arrested after allegedly flying a drone over Vandenberg Space Force Base in California perpetrated other offenses.

Last week, the U.S. attorney's office for the central district of California announced that 39-year-old Yinpiao Zhou, a lawful permanent resident of the U.S., was "charged with failure to register an aircraft not providing transportation and violation of national defense airspace."

But court filings indicate...