The ADL Center on Extremism (COE) found that the shooter had deep reverence for mass killers and researched them extensively.
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Kneecap, the Irish hip-hop trio, has made headlines for their onstage anti-Israel comments, support of designated terrorist organizations, and pro-BDS activities. As of August 26, 2025, Kneecap cancelled its sold-out October tour of the US amid a legal battle and pushback concerning their uninhibited support for extremist organizations in their activism. In February 2025, Kneecap posted a picture of a band member reading a book of statements by the terrorist organization Hezbollah’s…
Healthcare Workers for Palestine (HCW4P) is a U.S.-based network of anti-Zionist healthcare professionals and students who promote extreme anti-Israel beliefs, including calls to abolish Zionism, glorify terror and draw on antisemitic tropes in their messaging.
DAMPL is a radical, far-left, anti-Zionist group known for engaging in violent and destructive “direct actions” against institutions and individuals perceived as being connected to Israel.
The Palestinian Youth Movement (PYM) is an anti-Zionist organization whose members and affiliates have expressed support for terrorism.
Episode 4.10: From October 8 to D.C. and BoulderOren Segal speaks with filmmaker Wendy Sachs about the parallels between the aftermath of the October 7 Hamas attack on Israel and the response to the recent deadly antisemitic attacks in Washington, D.C., and Boulder. They also discuss the impact of Sachs’ documentary, October 8th: The Fight for the Soul of America, which examines the surge of antisemitism seen at protests, on college campuses, across social media, and beyond in the…
As Texas authorities respond to the devastating floods that killed at least 119 people, with over 170 still missing, Patriot Front has been using the tragedy to generate publicity under the guise of disaster relief.
Extremists and antisemites are weaponizing seemingly innocuous phrases, symbols and numbers to promote hate, particularly on mainstream social media platforms.
The Islamic Republic of Iran is the world’s leading state sponsor of terrorism, antisemitism, and Holocaust denial and distortion. Anti-Jewish and anti-Israel hate and incitement have been a core pillar and a defining feature of the Iranian regime, promoted through state media, educational system, religious sermons and international propaganda, including through Holocaust cartoon contests and annual Quds Day rallies. Since its founding in 1979, through the Islamic Revolutionary Guard…
In the aftermath of the U.S strikes on Iran's nuclear sites, we're seeing a continued spike in antisemitic and conspiratorial anti-Israel rhetoric—from extremist influencers and public-facing leaders.
Antisemitic threats and violent rhetoric surged by 594% on Telegram following the recent escalation between Israel & the Iranian regime, according to new ADL Center on Extremism research.
Antisemites and extremists of varying ideologies quickly reacted to reports of preemptive Israeli strikes against the Iranian regime with their predictable hate-filled rhetoric.
Episode 4.9Long, long ago – like 2013 – going viral frequently meant being named, shamed and canceled. These days, you're just as likely to receive accolades – and a nice, tidy payday – as you are to receive scorn. Join Oren and Jessica as they delve into the online riches of going bigotedly viral. Subscribe and ListenYou’ll come away with timely, expert insights into the extremist landscape.
Videos allegedly recorded by the suspect shortly before the Boulder firebombing assault that targeted the Jewish community and injured 12 on Sunday, began circulating as pro-terror propaganda on Telegram one day later
Reactions to the latest attack targeting the Jewish community followed a familiar pattern to the murder of a couple leaving a Jewish event in D.C. two weeks ago -- celebration, justification, and legitimization.
Since Jan. 2020, the ADL Center on Extremism has documented 21 terrorist plots or attacks targeting Jews, Zionists or Jewish institutions in the U.S. Fifteen of these occurred after October 7, 2023.
Many in anti-Zionist circles are celebrating and justifying the murders of two Israeli embassy staffers, and in some cases, even encouraging further violence.
In the wake of the murder of two people at the Capital Jewish Museum in Washington, D.C., conspiracy theories about the shooting quickly circulated on social media from users across the political spectrum. The most prevalent of these conspiratorial posts alleged that the shooting was a purposeful and coordinated “false flag” attack carried out by the Israeli or U.S. government to make Jews and Israel look sympathetic, tighten relations between the two countries or rationalize going…
The ADL Center on Extremism has been able to connect the alleged suspect, with a high degree of certainty, to the manifesto, titled “Escalate For Gaza, Bring The War Home.”
Militia groups are increasingly adopting new terms that allow them to camouflage their extremist ideology, sidestep public scrutiny and grow their networks.