On Saturday morning, as hundreds of far-right activists and lawmakers from across Europe gathered outside a conference center in the central Portuguese town of Figueira da Foz, a group of half a dozen men dressed in identical uniforms of khaki chinos, dark blue shirts, and sunglasses marched into the parking lot.

On the lapels of their jackets, some wore the red and blue circular emblem of Patriot Front, the US white-supremacist group formed in the wake of the 2017 Unite the Right rally in Charlottesville, Virginia, and known for marching in large numbers while wearing masks and targeting left-wing events. When WIRED asked one of the men if they were members of the group, he said yes.

This group was just one aspect of the flood of American far-right figures who traveled thousands of miles to attend the Remigration Summit, a conference held south of Porto featuring European political leaders and hundreds of others to discuss remigration, a racist, far-right European plan to expel minorities and immigrants from Western nations.

Prominent white supremacist Jared Taylor, president of the New York Young Republican Club Stefano Forte, and Greg Bovino, the former Border Patrol leader who terrorized immigrant communities in Minneapolis and Chicago, were all present.

Bovino said he was there to forge closer links to European right-wing groups and claimed that remigration was already underway in the ...