Raymond Duda, FBI Special Agent in Charge in Seattle, speaks in February about charges against a group of alleged members of the neo-Nazi group Atomwaffen Division for cyber-stalking and mailing threatening communications, including the posters at right, in a campaign against journalists in several cities. Ted S. Warren/AP hide caption
Thousands of people gather for an anti-fascist protest outside a court in Athens on Wednesday. The court ruled the neo-Nazi Golden Dawn party was operating as a criminal organization, and delivered landmark guilty verdicts in a five-year trial against dozens of defendants, including former lawmakers. Yorgos Karahalis/AP hide caption
The FBI alleges John William Kirby Kelley participated in hundreds of 'swatting' attacks involving 134 agencies in the U.S., Canada and the U.K. Geoff Mulvihill/AP hide caption
An archival image of the building in Braunau am Inn, Austria, where Adolf Hitler was born in 1889. Courtesy of Stadtverein Braunau hide caption
Jeanne and Gideon Bernstein, parents of Blaze Bernstein (pictured behind them), speak at a news conference in Lake Forest, Calif., in January. Former classmate Sam Woodward, an alleged neo-Nazi, has been charged with fatally stabbing Bernstein. Amy Taxin/AP hide caption
"It brings back a lot of shame," Christian Picciolini says of his time fronting a white power punk band. He has since disavowed the white supremacist movement and works to help others disengage from it too. Dennis Sevilla/Hachette Book Group hide caption
Neo-Nazis and white supremacists who participated in the protests in Charlottesville, Va., are being identified online — and the family of one man says they no longer have anything to do with him. Zach D Roberts/NurPhoto via Getty Images hide caption
Flowers and other mementos are left at a makeshift memorial for the victims of Saturday's violence in Charlottesville, Va. Steve Helber/AP hide caption
Devon Arthurs, 18, was arrested after leading police to the bodies of his two roommates. He told officers he killed them because they disrespected his recent conversion to Islam. Tampa Police Dept. via AP hide caption
Members of the neo-Nazi Nordic Resistance Movement (Nordiska Motstandsrorelsens) demonstrate in central Stockholm in November. Jonathan Nackstrand/AFP/Getty Images hide caption
German forces Bundeswehr officers enter the German Defense Ministry prior to a meeting between Defense Minister Ursula von der Leyen and about 100 top officers in Berlin last month. The meeting was about the arrest of an army officer on suspicion that he was part of a small group planning a far-right attack. Markus Schreiber/AP hide caption
A video produced by Exit-Deutschland describes the work it does to de-radicalize neo-Nazis. Hayat Germany is trying to use similar techniques to help Germans who may be radicalized by groups like the Islamic State. ExitDeutschlandVideo via YouTube/Screenshot by NPR hide caption
The entrance to the former concentration camp in Dachau, Germany, bears the Nazi slogan "Work Makes You Free." The gate was stolen over the weekend. Johannes Simon/Bongarts/Getty Images hide caption
A counterprotester lifts a homemade sign during a demonstration of the nationalist party in downtown Budapest, Hungary, on May 4. Attila Kisbenedek/AFP/Getty Images hide caption
Police escort a neo-Nazi suspect in connection with the fatal stabbing of a 34-year-old hip-hop artist. AFP/Getty Images hide caption
Mois Yussuroum, a 94-year-old retired dentist, fought the Nazis as part of the Greek resistance during World War II. "Of the 650 Greek Jews who fought in the resistance, I'm the only one still alive," he says. Joanna Kakissis/NPR hide caption