Odette Yousef

The latest indictment alleges that Trump knew he was lying when he said the election was stolen – and worked to harness the power of the government to overturn the will of the voters.

Cells of white males have formed in at least 30 states, united around racism and an interest in mixed martial arts. Extremism researchers say they're neo-Nazis looking to mainstream their ideas.

A sidewalk brawl between rightwing extremist gangs in Oregon highlighted the increasingly public presence of so-called "active clubs" in the U.S., many of which espouse violence and neo-Nazi beliefs.

In Atlanta, dozens of activists who oppose a new police and fire training facility are being accused of domestic terrorism. That has alarmed civil liberties and human rights groups.

The protests in Atlanta over whether to build a police training facility have gotten more violent. A protester was killed by police in January, and others have been charged with domestic terrorism.

Opponents of a planned police training facility in Atlanta are gathering for a week of action against the project. But they risk being labeled domestic terrorists by state authorities.

Extremism researchers say online rhetoric from the far right has heated up since Trump was indicted. But they're not seeing signs that it will translate to collective violence.

Ahead of former president Donald Trump's courthouse appearance on federal charges Tuesday, some on the far right have been calling for violence.

As the influence of Moms for Liberty grows in some school districts and conservative political circles, the SPLC compares the group's agenda to segregationist efforts of an earlier era.

The activist group Moms for Liberty has grown rapidly during the pandemic years, claiming to fight for parents' rights in public education. The Southern Poverty Law Center is labeling it as extremist.

One individual may be responsible for hundreds of false reports of active shooters across the U.S. The hoaxes have raised awareness of "swatting," and how it may be a national security threat.

Two decades after Congress authorized the creation of the Department of Homeland Security, there's growing concern about whether DHS is doing enough to combat domestic violent extremism.

Researchers say the days following the election may pose a greater risk of violence than Election Day itself, particularly in locations where vote counting drags on.

An attack on the Speaker of the House's husband. Conspiracy-influenced poll watchers wearing tactical gear and staking out ballot drop boxes. Many experts are worried about the potential for violence.

Law enforcement officials are warning of potential attacks against election officials, political candidates, religious minorities and others.

A new U.S. government report shows that domestic terrorism investigations and arrests reached new heights in 2021, but it shows a complicated landscape when it comes to threats against the country.

As schools across the U.S. are targeted by false calls about active shooters, NPR has found evidence that a similar scheme took place in the spring.

There's been a surge in hoax calls about active shooters at schools across the country during the last three weeks. Many of them fit a strange, new pattern.

In September, schools across the country started getting hoax calls that active shooters were on their campuses. But nearly one month in, there are more questions than ever.

Trials began this week in Idaho for 31 members of a far-right group accused of conspiring to riot at an LGBTQ event. But calls are growing for federal involvement to bring greater accountability.