"I believe my assessment is that it is not effective; it's not efficient, and it puts our troops at greater risk," said U.S. Army General Stephen Townsend.
Domestic violent extremists "adhering to a range of ideologies will likely continue to plot and encourage physical attacks against electrical infrastructure," according to a DHS report obtained by Newsweek.
Olsen called the threats "elevated," as they have more than doubled since Spring 2020, after the January 6 insurrection at the U.S. Capitol.
Marine Gen. Frank McKenzie said that the absence of American forces in Afghanistan has complicated efforts to monitor groups like al-Qaida.
Volha Zalatar was sentenced to serve four years in prison for creating an "extremist organization" when she organized walks and concerts for a local group.
Eastman has been uninvited from events after he drew a comparison between Biden and Adolf Hitler and posted a link to a Holocaust denial site on social media.
One extremism expert has warned that the Rittenhouse verdict will give a "blank check" for extremists to commit political violence.
Earlier this year a Moscow court labeled Alexei Navalny's Foundation for Fighting Corruption and his network of regional offices extremist groups.
"We are concerned that, with developments in Afghanistan—among other things—that there will be more inspiration," FBI Director Christopher Wray said.
French President Emmanuel Macron announced on Twitter that Adnan Abu Walid al-Sahrawi had been killed by French forces, calling it a "major victory."
"The whole community is kind of watching to see...whether or not al-Qaeda has the ability to regenerate in Afghanistan," Lloyd Austin said.
"Tragically, the Republican Party has lost its way, perverted by fear, lies and self-interest," the former Republican officials wrote.
The Oath Keepers extremist militia believes that a global cabal is plotting to strip Americans of their rights.
"You need a spark and that spark has to be charismatic," Philip Mudd said. "... they could spark a revolutionary movement."
White supremacist groups are mentioned in the files, however they are described as a "medium threat."
"The U.S. government's failure to be at the table to discuss those policy approaches shows it doesn't take the fight against violence and terror online seriously," University of Sydney professor Fiona Martin said.
The material reportedly encouraged violent jihad against nonbelievers and urged the death penalty for women who have an affair.
During worship services, the religious group would play music and sing songs praising Islam's revered Prophet Mohammed.
Sunday marks 98 years since a 100-pound bomb turned the iconic street into a scene of bloody chaos.
Each anniversary of the 9/11 attacks prompts reflections on the war: Are Americans safer or did it go too far?
The assessment, from August, blamed "perceptions of police brutality" for violence against officers.
The device was packed with more than a kilogram of shrapnel.
Washington considers Abu Mohammed al-Jolani to be one of the world's most wanted extremists.
Counter-intelligence agency says there have been numerous incidents of bigotry and support of Hitler.
The group claimed responsibility for explosions that killed dozens of people in Homs.