The Psychology of Hate: What Research Reveals About White Supremacy, Psychopathy, and Violence

What makes someone willing to kill for their race?

It is not a question most people want to ask. But the research — and the body count — make it impossible to ignore.

This article examines the intersection of three bodies of evidence: documented extremist violence data from the ADL, FBI, and DHS; peer-reviewed psychological research on the relationship between psychopathic traits and racial prejudice; and academic studies on the online radicalization pipeline that moves individuals from belief to violence.

The conclusion is not that every prejudiced person is a psychopath, or that every white supremacist will commit violence. The conclusion is that the psychological traits that enable dehumanization and violent action are measurable, documented, and meaningfully connected to the patterns of violence that have killed hundreds of Americans over the past decade.

Part 1: The Data — What the Numbers Show

A Decade of Extremist Murder

The Anti-Defamation League's Center on Extremism has tracked extremist-related murders in the United States since 1970. Their annual reports represent the most comprehensive dataset on extremist violence available.

The findings are consistent:

• 2024: Domestic extremists killed at least 13 people in 11 separate incidents. All 13 killings were committed by right-wing extremists. Eight involved white supremacists. The remaining five were connected to far-right anti-government extremists. This was the third consecutive year that right-wing extremists were connected to every identified extremist-related killing.
• 2023: 20 extremist-related murders. All linked to right-wing extremism.
• 2022: 28 extremist-related murders. All linked to right-wing extremism.
• 2015–2019: A five-year span in which extremist-related murders ranged from 47 to 79 per year, with white supremacists consistently the leading category.

Over the past decade, white supremacists have been responsible for roughly three in four domestic extremist murders. The Washington Post, PBS NewsHour, and The Guardian have all confirmed this pattern using ADL data.

What the Government Says

The DHS Homeland Threat Assessment 2025 identifies white supremacist extremism as among the most significant domestic terrorism threats facing the United States.

The FBI has maintained approximately 1,000 open investigations into violent white supremacy, according to testimony from former FBI Director Christopher Wray.

The Soufan Center, a national security research organization, assessed in January 2025 that U.S. intelligence agencies are entering the year facing "a complex terror threat landscape" with white supremacist extremism as a primary domestic component.

The START Consortium at the University of Maryland, which maintains the Terrorism and Targeted Violence (T2V) dataset, documented an increase in domestic terrorism cases from 1,000 in 2021 to 2,700 by 2024.

The Killings That Shaped the Data

The data is not abstract. It is built from specific incidents:

• 2015 — Charleston, South Carolina: Dylann Roof, a self-avowed white supremacist, killed nine Black churchgoers during a Bible study at Mother Emanuel AME Church. Federal prosecutors confirmed he self-radicalized online. His manifesto cited the Council of Conservative Citizens, a white supremacist group.
• 2018 — Pittsburgh, Pennsylvania: An antisemitic white supremacist killed 11 people at the Tree of Life synagogue, the deadliest attack on Jewish people in U.S. history.
• 2019 — El Paso, Texas: A shooter motivated by "Great Replacement" conspiracy theory killed 23 people at a Walmart — the largest anti-Latino mass shooting in modern American history.
• 2022 — Buffalo, New York: A shooter who published a manifesto promoting "Great Replacement" theory killed 10 Black people at a grocery store. The ADL analyzed his manifesto and found it echoed the same conspiracy theories cited by the El Paso and Christchurch, New Zealand shooters.
• 2023 — Jacksonville, Florida: A white supremacist killed three Black people at a Dollar General store. The Los Angeles Times noted it was part of "a rise in deadly racist shootings and hate crimes."

Each of these attacks was connected to a documented ideology. Each perpetrator left evidence of radicalization. And each represents a data point in a pattern that spans more than a decade.

Part 2: The Psychology — What the Research Shows

The Empathy Pathway

Multiple peer-reviewed studies have examined the psychological mechanisms that connect psychopathic traits to racial prejudice. The research converges on a specific pathway:

• Primary psychopathy predicts lower cognitive empathy (difficulty understanding others' perspectives) and lower affective empathy (difficulty feeling what others feel).
• Lower empathy predicts higher Social Dominance Orientation (SDO) — the belief that some social groups should dominate others.
• Higher SDO predicts racial prejudice.
• Prejudice, when combined with Right-Wing Authoritarianism (RWA), predicts willingness to commit violence.

A 2020 study published in Personality and Individual Differences found that "psychopathic propensities contribute to social dominance orientation and right-wing authoritarianism in predicting prejudicial attitudes" across a large European sample.

A separate study by Jones (2013) found a direct interaction: individuals high in both psychopathic traits and Right-Wing Authoritarianism were more likely to express interest in violent action.

The Dark Triad

The Dark Triad — psychopathy, Machiavellianism, and narcissism — has been consistently linked to prejudice in peer-reviewed research:

• A study published in Personality and Individual Differences found that Machiavellianism was linked to out-group racial prejudice, while narcissism and psychopathy were linked to both sexual and racial prejudice.
• Research published in the Journal of Applied Social Psychology found that psychopathy predicted lower cognitive and affective empathy, which sequentially predicted racism through SDO.
• A National Science Foundation-funded study confirmed the role of SDO as a "causal predictor of prejudice and discrimination against ethnic and racial outgroups."

What This Means — and What It Doesn't

This research does not claim that every white supremacist has a clinical psychiatric diagnosis. Psychopathy in this context refers to measurable traits — low empathy, callousness, impulsivity, manipulativeness — not a specific diagnosis that requires clinical assessment.

What the research does establish is that the psychological characteristics that enable someone to dehumanize others, view them as inferior or threatening, and act on that dehumanization are real, measurable, and meaningfully connected to the violence documented in the ADL and FBI data.

The pathway is not a mystery. It is a documented sequence:

Low empathy → Social Dominance Orientation → Right-Wing Authoritarianism → Prejudice → Willingness to commit violence.

Not everyone who enters the pathway reaches the end. But enough do to produce the patterns documented above.

Part 3: The Pipeline — How People Get There

Online Radicalization

The academic literature on online radicalization has documented a consistent pipeline from mainstream online spaces to extremist ideology to real-world violence.

Dylann Roof self-radicalized online. Federal prosecutors confirmed this. He absorbed white supremacist ideology from the internet, including content from the Council of Conservative Citizens and Stormfront — the largest white supremacist website in the world, with approximately 300,000 registered users, according to the Southern Poverty Law Center.

The Buffalo shooter's manifesto, analyzed by the ADL, promoted "Great Replacement" theory — the conspiracy theory that white populations are being deliberately replaced by non-white immigration. The same theory was cited by the El Paso shooter and the Christchurch, New Zealand shooter.

The academic journal First Monday published research documenting the "alt-right pipeline" — a step-by-step process in which users move from mainstream online spaces through increasingly extremist content, facilitated by recommendation algorithms and community dynamics. The GamerGate controversy of 2014 has been identified in academic research as a gateway through which many individuals first encountered alt-right and white supremacist ideology.

Accelerationism

A particularly dangerous subset of white supremacist ideology is "accelerationism" — the belief that societal collapse should be accelerated through violence to bring about a race war or white ethno-state.

The Institute for Strategic Dialogue (ISD), a leading extremism research organization, has documented how accelerationist networks use platforms like Telegram and TikTok to promote the idea that violence is "a necessary means for catalysing societal collapse."

ProPublica and PBS Frontline published a major investigation into "Terrorgram" — a global network of white supremacists using Telegram to share instructional material for attacks, celebrate perpetrators of mass shootings, and recruit new members. The investigation traced direct connections between the network and lethal violence.

ISD tracked 74 attacks and disrupted plots linked to extremism and radicalization in the United States in 2025.

The Pattern

The pipeline works like this:

1. An isolated individual encounters grievance-based content online — often framed around perceived threats to their identity, status, or way of life.
2. Recommendation algorithms and community dynamics move them toward increasingly extreme content.
3. Extremist ideology provides a framework that explains their grievances: it is the fault of specific racial, ethnic, or religious groups.
4. The ideology dehumanizes those groups, reducing the psychological barrier to violence.
5. The individual's own psychological traits — low empathy, high SDO, high authoritarianism — make them more susceptible to both the ideology and the call to action.
6. Online communities provide social validation, instructional material, and a sense of belonging that transforms belief into willingness to act.
7. A small but significant percentage act.

This is not speculation. Each step has been documented in peer-reviewed research, investigative journalism, and law enforcement records.

Part 4: What a Democracy Can Do

Understanding a threat is not the same as solving it. But understanding is the prerequisite for any effective response.

Take Online Radicalization Seriously

The pipeline is documented. The platforms are known. The algorithms that move users from mainstream content to extremist content are designed to maximize engagement — and extreme content is highly engaging.

Policy responses should include transparency requirements for recommendation algorithms, accountability for platforms that knowingly host extremist communities, and investment in counter-narrative programs.

Fund Research on the Psychology of Extremism

The research connecting psychopathic traits to prejudice and violence exists, but it is underfunded and underutilized. Understanding the psychological pathways — and the interventions that can interrupt them — should be a national priority.

Support the Organizations Tracking This Data

The ADL Center on Extremism, the Southern Poverty Law Center, the Institute for Strategic Dialogue, and the START Consortium at the University of Maryland are doing the work that government agencies often cannot or will not do. They need public support.

Hold Platforms Accountable

Telegram, TikTok, and other platforms that host accelerationist networks are not neutral spaces. They are infrastructure for radicalization. Public pressure, regulatory action, and media scrutiny can force changes.

Challenge Dehumanizing Rhetoric

Dehumanization is the psychological precondition for violence. When public figures describe immigrants as an "invasion," when media outlets promote "Great Replacement" theory, when online communities celebrate mass shooters — those are not abstract expressions. They are steps on a documented pathway.

Challenging that rhetoric — in conversation, in public, and in what we wear — is not censorship. It is democratic self-defense.

Support Targeted Communities

The people most affected by white supremacist violence — Black, Latino, Jewish, Asian, and LGBTQ+ communities — are not abstractions. They are neighbors, classmates, congregants, and fellow citizens. Supporting them means listening to them, showing up for them, and refusing to accept their targeting as normal.

Why What You Wear Matters

Protest culture has always used visual language. Signs, buttons, banners, colors, and clothing allow people to communicate their values before a conversation begins.

A pro-democracy shirt cannot replace research, law enforcement, or policy. But it can make a private conviction visible. It can signal that you see the threat and refuse to normalize it. It can tell someone targeted by white supremacist ideology that they are not alone.

The message is not that fashion will solve extremism. The message is that extremism is confronted by people — and people carry their commitments into the world through what they say, what they do, what they support, and what they wear.

Conclusion

The connection between white supremacy, psychopathic traits, and violence is not a theory. It is a documented pattern supported by three independent bodies of evidence:

• Violence data from the ADL, FBI, and DHS showing that white supremacists are responsible for the majority of domestic extremist murders over the past decade.
• Psychological research from peer-reviewed journals identifying a measurable pathway from psychopathic traits through low empathy and Social Dominance Orientation to prejudice and willingness to commit violence.
• Radicalization research documenting the online pipeline that moves individuals from grievance to ideology to action.

These three bodies of evidence tell a single story: white supremacist violence is not random. It is the predictable outcome of a process that we can identify, study, and interrupt.

The question is whether we have the will to do so.

Wear what you believe. Say what you mean. Do not look away from what the data is telling you.

Stay loud. 👑🇺🇸

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