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Murder and Extremism in the United States in 2019

Report
Murder and Extremism
In 2019, domestic extremists killed at least 42 people in the United States in 17 separate incidents. This number makes 2019 the sixth deadliest year on record for domestic extremist-related killings since 1970.   The 42 total deaths in 2019 is less than 2018’s total (53) but higher than 2017’s (41).   As is typically the case, the extremist-related murders of 2019 were overwhelmingly (90%) linked to right-wing extremists. All but one of the incidents had…
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Hate Beyond Borders: The Internationalization of White Supremacy

Report
We are witnessing the internationalization of the white supremacist movement. Over the past decade, we have seen surging violence in the United States, Europe and beyond motivated by elements of white supremacy from Anders Breivik in Norway to Brenton Tarrant in New Zealand to Patrick Crusius in El Paso, Texas. These killers influence and inspire one another. European and American adherents are learning from each other, supporting each other and reaching new audiences.  They feel…
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Free to Play? Hate, Harassment, and Positive Social Experiences in Online Games

Report
Free to play?
Executive Summary This report explores the social interactions and experiences of video game players across America and details their attitudes and behaviors in a rapidly growing social space. Globally, video games are a $152 billion industry. Fifty-three percent of the total population of the US and 64 percent of the online population of the US plays video games.1 Video games have functioned as social platforms over the past three decades, with players around the world interacting with…
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Global Anti-Semitism: Select Incidents in 2019

Report
December Argentina San Juan: Escuela Modelo de San Juan students reportedly made a Nazi-themed school project parodying Aqua’s “Barbie Girl” song. The school dismissed the teacher and had students study anti-Semitism in response Canada Montreal: A Jewish student at McGill University faced pressure to resign from her student government position for accepting Hillel Montreal’s invitation to travel to Israel and the West…
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Murder and Extremism in the United States in 2018

Report
Each year, ADL’s Center on Extremism tracks murders perpetrated by all types of extremists. In 2018, every single extremist killing — from Pittsburgh to Parkland — had a link to right-wing extremism. This report provides key insights into the crimes, including motivations behind these violent attacks.
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"Sheikh" Abdullah Faisal: Ideologue of Hate

Report
For five years, Sheikh Faisal was the “religious sanctioner” for the foremost Islamist extremist group in the U.S., Revolution Muslim. From 2007-2011, Revolution Muslim brought Al-Qaeda’s ideology to the United States and, with it, a rabid anti-Semitism.
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ADL and DAIA Córdoba partner with Córdoba’s Ministry of Education to implement COAJ digital education program in classrooms

Press Release
The agreement aims to equip secondary schools across the Province of Córdoba with innovative digital tools to help prevent antisemitism and hate speech, promoting safer and more respectful school environments. CÓRDOBA, Argentina, February 25, 2026 — In a firm step toward building more inclusive and respectful school environments, ADL (Anti-Defamation League) today announced in Córdoba, Argentina, a partnership with the Ministry of Education of the Province of C…
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Teach Palestine Curriculum 

Tools and Strategies
School desks with morning light
In a world that is increasingly connected through social media, educators often incorporate current events into instruction. While this is an important tool for educators to make learning feel relevant and current for students, it also must be done with thought and care. Many curriculum offerings claim to offer educators resources and guidance on integrating complex current events into their classrooms, like the Israeli-Palestinian conflict. Sometimes these offerings, while claiming to provide…
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Vox YouTube Video: “The Israel-Palestine Conflict: A Brief, Simple History” 

Tools and Strategies
School library computer station
Educators surveyed in a 2025 RAND study said that after school curricula and U.S. Holocaust Memorial Museum materials, YouTube is their most-used supplement for teaching the Holocaust and related Jewish topics. Although its videos are free and visually engaging, their quality varies; for example, Vox’s “The Israel-Palestine Conflict: A Brief, Simple History” can appear more reliable than it is. Vox itself is an American news and opinion website that leans towards the…
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Decode & Disrupt: A Toolkit to Recognizing and Combating Problematic Messages

Tools and Strategies
Yellow School Lockers
In recent years, the education landscape has changed dramatically. With the rise of AI platforms like ChatGPT and resource sharing hubs like Teachers Pay Teachers, there are many organizations and resources that claim to offer quality material—often at no cost.  The rise of these platforms coincides with a change in trends for educators. According to a report from Education Week, the average teacher uses five supplemental resources and two core curricula sources. The report goes on…
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El 78 % de los estudiantes judíos ocultan su identidad religiosa en las universidades de todo el mundo, revela estudio de la ADL y WUJS

Press Release
Más del 80 % de los estudiantes judíos de todo el mundo también ocultan su identidad sionista, mientras que uno de cada cinco conoce a compañeros judíos que han sido agredidos físicamente en el campus durante el último año.  Nueva York, NY, 16 de septiembre de 2025... Al comenzar el nuevo año académico, una encuesta global realizada por la Liga Antidifamación (ADL) y la Unión Mundial de Estudiantes…
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Evergreen High School Shooter’s Online Activity Reveals Fascination with Mass Shootings, White Supremacy

Article
The morning of the shooting, Desmond Holly posted a photo of a revolver—possibly the one used in the attack—on his X account. Source: X
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…
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Widespread Antisemitism and Anti-Israel Bias Reported by Faculty in Higher Education, New ADL and AEN study finds

Press Release
New York, NY, September 10, 2025 … According to a new survey conducted by the Anti-Defamation League (ADL) and the Academic Engagement Network (AEN), faculty and staff are key drivers of the antisemitism faced by Jewish faculty on U.S. college campuses. In the survey, Jewish-identifying faculty reported facing targeted boycott, smear, and doxxing campaigns from fellow faculty, administrators, or staff on campus. The respondents noted that these antisemitic actions often…
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