federal charges. brainard calls them political pridners who have been wrongfully prosecuted even though many were caught on tape. >> we'll push back the phony narrative that there was an insurrection. >> reporter: the plans are prom prompting security concerns. in april, a car slammed into a police barricade killing one officer and injuring another. in mid august, a man claiming to have a bomb set off a five hour standoff with police before surrendering. no bomb was found. cnn has learned d.c. police will be fully activated on september 18th, days off are canceled for all officers and civil disturbance units will be on st standby. and they are monitoring online chatter to gauge the possible crowds. cnn has learned capitol police have already requested support from police departments in maryland and virginia to be fully prepared even if the crowds don't materialize. >> we don't know what anticipate