Thank you for reporting on this. The Antifa cell in southern California being prosecuted by the San Diego DA’s office on felony violent conspiracy charges used some of these symbols when they carried out an attack. Several have been convicted already and a trial is set for the remaining suspects.
In Georgia, 61 suspects from all over the country have been charged with RICO, domestic terrorism and/or money laundering charges in connection with a violent series of attacks that also featured some of the Antifa symbols in the FBI document.