"We don't need to be telling people that we're going to dominate them. That language doesn't work," said an expert in national security.
George Floyd's death has sparked protests across the country.
Some cities are crediting curfews with curtailing the looting and violence seen earlier in the week, but in Brooklyn, New York, officers clashed with protesters shortly after Wednesday's curfew began.
The 20-page document released by the Hennepin County Medical Examiner's Office says an April 3 test on Floyd was positive for the virus’ genetic code, or RNA.
Perimeter around the White House pushed farther back Wednesday after a relatively peaceful standoff between police and protesters on Tuesday.