Officials also pointed to the ongoing scourge of illicit drugs, mainly fentanyl, as a danger to Americans.
Federal authorities say neo-Nazis Sarah Beth Clendaniel and Brandon Clint Russell planned to destroy the Baltimore power grid.
Officials are seeking to determine if equipment damage was part of a "coordinated attack on the power systems," according the local sheriff's office.
Canada’s Parliament unanimously passed a motion calling on Prime Minister Justin Trudeau to designate the Proud Boys a terrorist organization. But some extremism experts worry the symbolic move may politicize a national security process.
The Department of Homeland Security said it’s seeing an increase in threats from domestic extremists directed at democratic institutions.
“I want to blow up a democrat building bad,” Benjamin Rogers wrote in a messaging app.
It “ought to be a major issue” that Democrats point out about the GOP, Charlie Sykes told MSNBC's Nicolle Wallace.
The bill was an answer to the growing pressure Congress faces to address gun violence and white supremacist attacks, following two mass shootings over the weekend.
Jonathan Frost, Christopher Cook and Jackson Sawall obtained AR-47 rifles and had planned to attack power grids around the United States.
The former president, who was in office the day terrorists hijacked a series of planes, denounced both strains of violent ideology.