A deep dive into the TCC, the online subculture built around the glorification of mass killers, and its connections to a growing number of attacks worldwide.
Digital Couriers: How U.S. Anti-Israel Activists Amplify Terror Propaganda on Mainstream Platforms
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Since Hamas’s October 7, 2023, attacks, analysts from the ADL Center on Extremism (COE) have tracked how some U.S.-based anti-Zionist activists and groups, including Students for Justice in Palestine (SJP) chapters, are amplifying propaganda from Palestinian Foreign Terrorist Organizations (FTOs) and others to promote support for the “resistance” — a euphemistic reference to the various terrorist groups responsible for violent attacks against Israel, including  …
Pro-Hamas Chant at Queens Synagogue Protest Signals Further Normalization of Terror Rhetoric
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The explicit celebration of Hamas at a protest targeting a Queens synagogue last week serves as a stark reminder of a disturbing new reality: Pro-terror expressions are becoming openly normalized within the U.S. anti-Israel movement. The January 8 demonstration outside of Young Israel of Kew Gardens Hills in Queens, New York, was ostensibly a protest of an Israeli real estate event taking place inside the synagogue. It quickly devolved into calls to “Globalize the Intifada,” shouts…
ADL's Task Force on Middle East Minorities Statement on the Nationwide Protests in Iran
Press Release
Statement by ADL's Task Force on Middle East Minorities on the Nationwide Protests in Iran New York, NY, January 13, 2026 ... The Anti-Defamation League's (ADL) Task Force on Middle East Minorities issued the following statement regarding the nationwide protests in Iran: In light of the nationwide protests across Iran, ADL’s Task Force on Middle East Minorities condemns the Islamic Republic's violent crackdown and calls on the international community to make clear to the…
ADL Los Angeles Welcomes New Senior Regional Director, David Englin
Press Release
Los Angeles, CA. October 20, 2025 … ADL (the Anti-Defamation League) is proud to announce the appointment of David Englin as the new Senior Regional Director of ADL Los Angeles. Englin steps into the role at a critical time, as antisemitism and extremism continue to challenge communities across Southern California. In 2024 alone, ADL documented 532 incidents of antisemitic harassment, vandalism, and assault in Los Angeles. Englin brings over 25 years of diverse leadership…
Innovative AI Video Generators Produce Antisemitic, Hateful and Violent Outputs
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In a matter of seconds, anyone can now use popular AI video generation tools to create antisemitic and extremist content. As this technology continues to evolve, existing guardrails often fail to catch prompts that can be used to generate extremist content, contributing to the proliferation of antisemitic propaganda across social media. According to a new analysis from the ADL Center for Technology and Society (CTS), new AI-powered text-to-video tools can be easily used to produce disturbing…
On 2nd Oct. 7 Anniversary, U.S. Anti-Israel Activists Reaffirm Support for Hamas Attack Amid Ceasefire Talks
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Amid the Gaza ceasefire talks, U.S. anti-Israel activists marked the 2nd anniversary of the October 7 Hamas attack with nationwide disruptive protests and glorification of violence.
Speakers Use ArabCon Platform to Promote Antisemitic and Pro-Terror Views
Article
At the 45th annual ArabCon in Dearborn, Michigan, several speakers engaged in the promotion of antisemitism and the defense of terrorism, including the Hamas-led terror attack against Israel on October 7, 2023.
ADL Report Reveals Significant Extremist Activity in Pennsylvania
Press Release
Philadelphia, PA, September 29, 2025 … A new report from ADL (the Anti-Defamation League) reveals a significant uptick in antisemitic and extremist activity in Pennsylvania between January 2023 and June 2025. This activity includes a rise in disruptive actions by extreme anti-Israel activists, notable white supremacist activity—particularly by the local White Lives Matter chapter—and political violence that has sent shockwaves across the country. “Hate in the Keystone…
Evergreen High School Shooter’s Online Activity Reveals Fascination with Mass Shootings, White Supremacy
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Months before Desmond Holly opened fire at a Colorado high school, he developed a deep fascination with mass shooters. Online, he expressed neo-Nazi views and was active on a violent gore site. Offline, he began to amass tactical gear. The deeply disturbing specifics of this case follow a pattern recently discovered by ADL Center on Extremism, which its analysts have found in at least four school shootings committed by young people over the past year. On September 10, 2025, 16-year-old Holly…
“They Need to Be Taken Out”: Calls for Violence Punctuate Second Annual People’s Conference for Palestine
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The second annual People’s Conference for Palestine highlighted growing extremism within the anti-Israel movement, marked by direct calls for violence and aggressive rhetoric.
Investigación de ADL revela sorprendentes similitudes en las huellas digitales de adolescentes autores de tiroteos escolares
Press Release
La ADL presenta una línea de tiempo interactiva y recursos asociados que exponen los peligros de las comunidades y plataformas violentas y extremistas en línea; llega a 16.000 superintendentes escolares Nueva York, NY, 21 de agosto de 2025... Un nuevo proyecto de investigación publicado hoy por el Centro sobre Extremismo de la Liga Antidifamación (ADL) presenta, a través de una línea de tiempo interactiva, las huellas digitales de Natalie …
Striking Similarities and Overlap in Online Footprints and Extremist Content of Teen School Shooters, ADL Research Shows
Press Release
New York, NY, August 21, 2025 … A new research project released today by the ADL (Anti-Defamation League) Center on Extremism illustrates through an interactive timeline the online footprints of Natalie (Samantha) Rupnow and Solomon Henderson, two school shooters who carried out rampages in different states in late 2024 and early 2025 respectively, and highlights the online spaces that blend a variety of extremist ideologies with violent content that they were both active on…
Healthcare Workers for Palestine (HCW4P): What You Need to Know
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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.
The Direct Action Movement for Palestinian Liberation (DAMPL): What You Need to Know
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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.