9/11 Conspiracy Theories Still Spread 25 Years Later

Lower Manhattan skyline featuring One World Trade Center, overlaid with a semi-transparent American flag.

This year marks 25 years since the September 11 terrorist attacks, which killed 2,977 people. That series of coordinated attacks remains a defining part of American memory. In a recent YouGov survey, 64 percent of Americans said 9/11 changed the United States completely. The 9/11 Memorial & Museum estimates that 100 million Americans are too […]

Survey Finds Jewish Americans have Fewer Allies

An image of the Blue Square Alliance Command Center at Gillette Stadium in Foxborough, MA.

Media Contact: Sarah Lyons, [email protected]   Antisemitism in the United States Trending in the Wrong Direction as Survey Finds Jewish Americans have Fewer Allies Blue Square Alliance Against Hate’s ongoing tracking study of American attitudes on antisemitism finds Jewish allyship is declining, awareness of antisemitic violence remains low, and a growing percentage Americans do not see […]

Young Americans See More Antisemitism—But Are Less Likely to Call It a Problem 

Graph showing Percent of people who answered "not at all harmful" or "not very harmful" to: Jokes that make fun of Jewish People, Stereotypes about Jewish People controlling the world, and Using slurs to describe jewish people.

We see a clear pattern in our national survey of 7,028 U.S. adults, fielded August–September 2025: antisemitic beliefs are higher among Gen Z and Millennials than among older generations. For example, adults age 45 and younger are 6 percentage points more likely than older Americans to answer “mostly true” to the statement “Jewish people cause problems in […]

2025 Overview of the Coded, Conspiratorial, and Accelerated State of Antisemitism Online.  

Coded, conspiratorial, and accelerated: The State of Antisemitism Online 2025 Year in Review

In 2025, Jewish communities around the world experienced a troubling surge in antisemitic attacks, vandalism, and online discourse. In response, Jewish leaders and allies came together in solidarity, as antisemitic events continued to rise. The Blue Square Alliance Against Hate Command Center looked back at the biggest trends in our data, covering online conversations surrounding antisemitism, Judaism, and Israel, from the last year, leading to the release of our 2025 […]

“Welfare-Addicted Jews”: Inflammatory YouTube Video Triggers Antisemitic Reactions

Frame from the YouTube video, depicting Oliveira asking a Hasidic man on the sidewalk, "Question for you sir. What do you do for work out here?"

Last week, Tyler Oliveira, a YouTuber with almost 9 million subscribers, posted a video about Kiryas Joel, a mostly Satmar Hasidic town in Orange County, New York. The video has reached over 2.9 million views on YouTube, at the time of writing. It triggered online reactions that went beyond political criticism, into open antisemitism. Oliveira’s not-so-subtle framing pushes the idea that Jews in […]

Antisemitic Conspiracy Theories Spread Following Patagonia Wildfires

Photograph of a protest in Argentina showing a person holding an Israeli flag amid a crowd, alongside a translated post accusing Israel of responsibility for Patagonia wildfires.

A series of devastating wildfires broke out in Argentina’s Patagonia region on January 5, scorching tens of thousands of acres of forested land. While most of the fires have remained within Argentina’s borders, the environmental impact has extended across the region, threatening wildlife, air quality, and local communities. As firefighters worked to contain the blazes, speculation, including antisemitic conspiracy theories, regarding the fires’ origins […]

“Synagogue of Satan” Antisemitic Rhetoric: How Extremist Language Online Fueled a U.S. Synagogue Arson

Line graph showing weekly social media mentions of the phrase “Synagogue of Satan” over the past year, with multiple spikes above an average baseline, indicating sustained online usage.

Earlier this week, Mississippi’s largest synagogue was badly damaged in an intentional arson attack. The suspect, identified as Stephen Spencer Pittman, confessed and told investigators he targeted the synagogue because it has Jewish ties. In online posts reviewed by authorities, and during investigation, he referred to the building as “synagogue of Satan,” language tied to well-known antisemitic conspiracy theories.   The phrase is often drawn from Revelation 2:9, which reads, “those who say […]

Summer 2025: Political Violence Often Stained with Antisemitism

The summer of 2025 saw a troubling series of violent incidents across the United States where antisemitism appeared again and again—as a motive, a symbol, or in the conspiracy theories that followed. Even when Jews were not the direct targets, antisemitic narratives surfaced immediately, with conspiracy theories reframing real violence as “false flag” operations or […]

Tucker Carlson’s Antisemitic Conspiracies Spark Online Reactions

Tweet by @realstewpeters showing Tucker Carlson speaking at Charlie Kirk’s memorial service, with the caption claiming he “rightfully blames the Jews for killing Jesus.”

Conservative podcaster and media personality Tucker Carlson made several comments this week that are being viewed by many as antisemitic. His first comment came at the memorial for Charlie Kirk, a right-wing personality who was assassinated on September 10th. Carlson compared Kirk’s assassination to the account of Jesus’s crucifixion. While he didn’t explicitly refer to […]

Nazi Marching Song Turned Meme: How Social Media is Using a Controversial Tune

A German marching song once sung by Nazi troops during World War II has found a second life online. Erika, composed in 1938 by Herms Niel, was a staple of Nazi military bands, and though its lyrics are not political, its history ties it inextricably to Germany’s Nazi past. Today, the tune has gone viral […]