The now-viral moment sent Twitter into a frenzy.
The FBI arrested three white extremists on Thursday just days before they were to attend a gun control rally in Virginia's capital.
According to the investigation executive summary, the class instructor encouraged it, reveled in it and at times reciprocated the salute.
James Alex Fields Jr. was sentenced to life in prison plus 419 years on state charges in connection to his attack on counter-protesters at the Charlottesville rally, which killed Heather Heyer.
The city council voted to eliminate the April 13 holiday.
James Alex Fields Jr., 22, is expected to spend the rest of his life in prison for murdering Heather Heyer and injuring several activists during the Charlottesville rally.
After establishing an unusual rapport with the leader of a neo-Nazi group, James Stern outsmarted a white nationalist and took over as president.
Daniel Borden originally faced up to 20 years in prison for beating DeAndre Harris, but had most of his sentence suspended
Fields was convicted of killing Heather Heyer at the 2017 Charlottesville rally.