A glossary that explains some of the popular terms, references, and images used to signal transgression and belonging in online communities that glorify mass violence and extremist killings.
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ADL examined the strategic evolution of anti-Israel activism on U.S. campuses and provides recommendations for universities to respond proactively to changing tactics.
Over the past two years, Pennsylvania has faced a broad range of extremist incidents, driven by a diverse mix of ideological motivations and groups.
This ADL Center on Extremism report details and analyzes the domestic extremist-related murders in the United States in 2024
This report provides a snapshot of antisemitism and extremism in Oregon and Washington, highlighting key trends tracked by the ADL Center on Extremism.
In a new study, the ADL Center on Extremism found 1.8+ million unique pieces of extremist or hateful content on Steam.
When ADL published its first report on 9/11 conspiracy theories in 2003, it noted that the internet allowed an “unprecedented cross-fertilization of antisemitic ideas” and that they contributed to a “new form of global antisemitism.” The report also noted that these conspiracy theories were likely to endure and “form the basis of a new antisemitic canard that will linger for decades and be used to demonize Jews and Israel.” The report was prescient. The so…
The ADL Center on Extremism (COE) conducted a comprehensive analysis of violent antisemitism and anti-Israel content on Telegram following the 10/7 attacks.
A look at the 10 most prevalent trends in antisemitic messaging, tactics, and patterns post-Oct. 7
The ADL Center on Extremism tallied 2,087 anti-Israel incidents on U.S. college campuses between June 1, 2023, and May 31, 2024.
25 years after 9/11, the threat of Islamist extremism hasn't disappeared — it has evolved. Today's terror groups use social media to reach millions globally, across borders, and sometimes without ever communicating directly with them.
In 2023, ADL recorded its highest ever number of white supremacist propaganda incidents, with a total of 7,567 cases, a 12% increase from 2022.
This ADL Center on Extremism report details and analyzes the domestic extremist-related murders in the United States in 2023.
In 2023, ADL Center on Extremism tracked 15 extremists and their supporters who moved $142k of cryptocurrency to and/or from 22 different crypto companies.
This report documents and analyzes the nature of, and increase in, right-wing terrorist incidents in the United States from 2017-2022
This report highlights the key extremist and antisemitic movements, trends, and incidents in Illinois between 2021 and 2022, and the first half of 2023.
An examination of extremist trends and threats in Texas (2021-2023)
Read ADL’s annual assessment of anti-Israel activism on U.S. college campuses.
California has dealt with a significant increase in extremist activity. This report highlights the key extremist trends and incidents in 2021 and 2022.
In 2022, the ADL Center on Extremism (COE) tracked 6,751 incidents of white supremacist propaganda efforts, the highest ADL has ever recorded.