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Computational Propaganda and the 2020 U.S. Presidential Election: Antisemitic and Anti-Black Content on Facebook and Telegram

Report
Computational Propaganda
By Mark Kumleben and Samuel Woolley  Propaganda Research Team Center for Media Engagement University of Texas at Austin Maggie Engler Global Disinformation Index Much of online speech today occurs on social media platforms like Facebook where a few companies have attained an outsized influence on what is permitted discussion on the internet. The rules and enforcement of the rules around speech on social platforms have far-reaching societal implications -- they can determine…
October 20, 2020
Read more about Computational Propaganda and the 2020 U.S. Presidential Election: Antisemitic and Anti-Black Content on Facebook and Telegram

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…
February 25, 2020
Read more about Murder and Extremism in the United States in 2019

The Decade's Top 10 Moments of Hope

Report
Words Matter, End Hate
Even in times of tragedy, there are glimmers of humanity. These moments of compassion, of kindness, give us hope for a better future for our children and our children’s children. Building a better world is what has motivated ADL’s work for more than 100 years, and what continues to impel us forward today. With that in mind, ADL’s professionals across the country have selected the decade’s Top 10 Moments of Hope in the United States. It’s hard to fathom how…
December 19, 2019
Read more about The Decade's Top 10 Moments of Hope

The Decade's Top 10 Incidents of Hate

Report
charlottesville decade of hate
From the Boston Marathon Bombing in 2013 to the white supremacist shooting in El Paso earlier this year, from the detention and dehumanization of immigrant children at the border to the largest anti-Semitic attack in United States history last year, this decade was bookended and interspersed by a series of all-too-frequent tragedies, many perpetrated by extremists from across the ideological spectrum and others the result of wrongheaded government policy. Over the past decade, seven of the top…
December 19, 2019
Read more about The Decade's Top 10 Incidents of Hate

Top 10 Moments of Hate of 2019

Report
el paso
Hate-fueled mass shootings horrifyingly make up half of our 2019 Top Ten Incidents of Hate List. Three of the shootings took place in houses of worship: two synagogues, and two mosques. One of those shootings was on the holiest day of the year, Yom Kippur. Three perpetrators were white supremacists, two are believed to have ties to an anti-Semitic sect of the Black Hebrew Israelite movement. Two shootings were overseas, three of them spanned both coasts of the U.S. Hate spread across the…
December 18, 2019
Read more about Top 10 Moments of Hate of 2019

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…
September 17, 2019
Read more about Hate Beyond Borders: The Internationalization of White Supremacy

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…
July 18, 2019
Read more about Free to Play? Hate, Harassment, and Positive Social Experiences in Online Games

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…
March 18, 2019
Read more about Global Anti-Semitism: Select Incidents in 2019

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.
January 18, 2019
Read more about Murder and Extremism in the United States in 2018

"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.
November 08, 2018
Read more about "Sheikh" Abdullah Faisal: Ideologue of Hate

New Hate and Old: The Changing Face of American White Supremacy

Report
White supremacists in the United States have experienced a resurgence in the past three years, driven in large part by the rise of the alt right.
September 20, 2018
Read more about New Hate and Old: The Changing Face of American White Supremacy

When Women are the Enemy: The Intersection of Misogyny and White Supremacy

Report
When Women are the Enemy: The Intersection of Misogyny and White Supremacy
Misogyny is a dangerous and underestimated component of extremism, and it shares alarming common ground with white supremacist ideology.
July 20, 2018
Read more about When Women are the Enemy: The Intersection of Misogyny and White Supremacy

2014 Audit of Anti-Semitic Incidents

Report
The total number of anti-Semitic incidents in the United States increased by 21 percent in 2014 in a year marked by a violent anti-Semitic shooting attack targeting Jewish community buildings in Kansas and anti-Jewish expressions linked to the war in Gaza. The Anti-Defamation League’s (ADL) annual Audit of Anti-Semitic Incidents counted a total of 912 anti-Semitic incidents across the U.S. during the 2014 calendar year. This represents a 21 percent increase from the 751 incidents…
January 31, 2014
Read more about 2014 Audit of Anti-Semitic Incidents

Quds Day and Other Iran-Related Protests Nationwide Platform Support for Terror, Conspiratorial Hate

Article
A person holds an image of Ayatollah Ali Khamenei and the flag of Lebanese terror group Hezbollah during a rally for Quds Day on March 13, 2026, in New York City
Since the start of the Feb 2026 military operation against the Iranian regime, protesters have mixed in overtly antisemitic, conspiratorial, and pro-terror messaging with their condemnation of the U.S. and Israel.
March 17, 2026
Read more about Quds Day and Other Iran-Related Protests Nationwide Platform Support for Terror, Conspiratorial Hate

Military Operation Against Iranian Regime Fuels Wave of Antisemitic Conspiracy Theories, Calls for Mobilization

Article
A billboard featuring an image of Iranian Supreme Leader Ayatollah Ali Khamenei is displayed on an overpass on March 3, 2026, in Tehran, Iran
The U.S. and Israeli military operation against the Iranian regime triggered an immediate surge of antisemitic, anti-Zionist and conspiratorial commentary that spanned the ideological spectrum. COE is tracking 7 rhetorical trends.
March 03, 2026
Read more about Military Operation Against Iranian Regime Fuels Wave of Antisemitic Conspiracy Theories, Calls for Mobilization

Brazen, Intensified Antisemitic Incidents in NYC Continue in 2025

Article
NYC State of Antisemitism 2025
A look at the emerging trends from some of the hundreds of antisemitic incidents the ADL has been tracking in the city since January 1, 2025.
October 22, 2025
Read more about Brazen, Intensified Antisemitic Incidents in NYC Continue in 2025

On 2nd Oct. 7 Anniversary, U.S. Anti-Israel Activists Reaffirm Support for Hamas Attack Amid Ceasefire Talks

Article
October 7 2nd anniversary
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.
October 10, 2025
Read more about On 2nd Oct. 7 Anniversary, U.S. Anti-Israel Activists Reaffirm Support for Hamas Attack Amid Ceasefire Talks

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…
September 12, 2025
Read more about Evergreen High School Shooter’s Online Activity Reveals Fascination with Mass Shootings, White Supremacy

“They Need to Be Taken Out”: Calls for Violence Punctuate Second Annual People’s Conference for Palestine

Article
The crowd at the second annual People’s Conference for Palestine on August 29–31, 2025.
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.
September 04, 2025
Read more about “They Need to Be Taken Out”: Calls for Violence Punctuate Second Annual People’s Conference for Palestine

Minneapolis School Shooter's Online Activity Reveals Deep Fascination with Mass Killings

Article
Police work the scene following a mass shooting at Annunciation Catholic Church on August 27, 2025, in Minneapolis, Minnesota
The ADL Center on Extremism (COE) found that the shooter had deep reverence for mass killers and researched them extensively.
August 27, 2025
Read more about Minneapolis School Shooter's Online Activity Reveals Deep Fascination with Mass Killings

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