The Oath Keepers will supply guards for a presidential campaign rally supporting the Republican leader in the state of Minnesota on Thursday.
Far-right groups are targeting small cities and towns in an effort to spread their white supremacist and anti-Semitic messages.
The US president has proposed banning Antifa, a broad term used to apply to a spectrum of organisations opposed to far-right ideology.
Authorities and experts expect fatal attacks to continue escalating amid an uptick in white nationalist rhetoric.
The onset of the Trump administration has coincided with an increasing level of hate crimes and an emboldened white nationalist movement that has created a domestic terrorism crisis in the US.
Cloudflare CEO Matthew Prince describes the no-censorship site as "a cesspool of hate." Right-wing extremists, misogynists and conspiracy theorists freely post to 8chan, which does not moderate content.
James Alex Fields Jr, an avowed white supremacist who kept a photo of Adolf Hitler on his bedside table, plowed his car into a crowd of anti-racism protesters during a rally in Charlottesville Virginia, killing one woman and injuring dozens.
James Alex Fields Jr. had pleaded guilty in March to 29 of 30 hate crimes in connection with the 2017 car attack that killed Heather Heyer and wounded more than two dozen others in Charlottesville, Virginia.
US President Donald Trump has chosen to use his powerful platform to defend the free speech of conspiracy theorists as his allies visit the White House and criminalise political dissent at home.
Facebook banned right-wing conspiracy theorist Alex Jones, controversial figure Louis Farrakhan and other extremist figures for violating its policies against hate and violence.
During the past 10 years, 73 percent of domestic extremist killings in the US were carried out by right-wing movements and the number does not seem to be decreasing.
The white supremacist terrorist who killed 50 Muslim worshippers in New Zealand mosques donated a large sum of money to Austria’s Identitarian Movement, one of the rising far-right groups in Europe and North America.
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