U.S. officials are seeking to determine whether extremist groups have infiltrated police brutality protests across the country and deliberately tipped largely peaceful demonstrations toward violence.
Officials are also investigating whether foreign adversaries are behind a burgeoning disinformation campaign on social media.
Federal law enforcement officials insist far-left groups are stoking violence, but experts who track extremist groups also report seeing evidence of the far-right at work.
Officials have seen a surge of social media accounts with fewer than 200 followers created in the last month, a textbook sign of a disinformation effort.