(John Minchillo | AP file photo) Protesters wear protective masks June 19 as they march after a Juneteenth rally outside the Brooklyn Museum, in the Brooklyn borough of New York. A loose network of Facebook groups that took root across the country in April to organize protests over coronavirus stay-at-home orders has become a hub of misinformation and conspiracies theories that have pivoted to a variety of new targets. Their latest: Black Lives Matter and the nationwide protests against racial injustice.