How Group Certainty Becomes Violence: Seven Mechanisms That Do Not Begin with Hate

The short answer

Violent extremism does not always begin with hatred, follow a straight line, or arise from one psychological disorder. It may begin with legitimate needs for meaning, friendship or justice. A group then reduces ambiguity by offering a clear identity, roles, relationships and trust. Scattered clues can gradually become a closed system: every objection is reinterpreted in favor of the belief, comforting reports travel faster, and each new sacrifice raises the price of leaving.

Research cannot predict with certainty who will become violent. It can, however, identify recurring mechanisms: self-uncertainty, group identity, circular evidence, rumor, self-fulfilling prophecy, escalating commitment and fragmented responsibility. None belongs to one religion or society. Strong groups are not inherently dangerous. The danger rises when correction becomes disloyalty, loyalty replaces evidence, and weapons begin to alter the meaning of speech.

1. Uncertainty makes clear identities attractive

Uncertainty–identity theory proposes that when people feel unsure about themselves, their place or the future, they may identify more strongly with groups that supply a clear answer to “Who are we, who opposes us, and what must we do?” Sharply bounded groups and directive leaders can relieve uncertainty by reducing the number of possible answers. ^[1]

This does not mean confusion automatically creates an extremist. Most people face uncertainty without becoming violent. It means group certainty can provide a real social and psychological service. Refuting one proposition may therefore ask a person to lose not only an idea but a new name, friends and a role.

Research on extremist-group dynamics likewise stresses social identification, roles, norms, relationships, networks and boundaries. A group offers more than an opinion; it offers an organized life. ^[2]

2. Belonging may precede conviction

We often imagine that people adopt a complete theory and only then search for a group. The sequence can run the other way: a favor, a small task, a meeting, a journey, someone saying “we need you.” Trust and reciprocal obligations grow first. Disagreement then threatens a valuable relationship.

Identity-fusion research examines cases in which personal and group identities become powerfully aligned. A meta-analysis of 90 studies found a relationship between fusion and extreme pro-group orientations, while also showing variation across settings and measures. The association is not destiny, but it helps explain why sacrifice may feel like proof of the self rather than mere obedience. ^[3]

The warning sign is not friendship. It is losing the ability to say: I care about these people and still disagree; I will help them without surrendering judgment over the act.

3. Circular evidence makes a claim impossible to lose

A claim is testable when some possible fact could count against it. A closed system reinterprets every result in its favor:

• acceptance confirms the claim;
• refusal shows humility or fear;
• silence becomes dignity;
• absence becomes protection from temptation;
• a member’s doubt proves weak faith;
• agreement becomes a new witness.

The apparent number of “clues” can be misleading because they may echo one another. Dreams influence a candidate, and his later conviction is then counted as independent confirmation of the dreams. What looks like two pieces of evidence is one loop.

The counter-question is simple: what, if established, would make us say we were wrong? If no genuine answer is possible, the group is not only protecting a belief; it is protecting its conclusion from reality.

4. Rumor can grow without a central liar

Rumor research describes rumors as unverified statements in circulation and shows that rumor exchange can help groups make sense of ambiguity and manage threat. Some rumors become accurate; others become distorted. Crucially, an honest messenger does not guarantee an intact chain. ^[4]

Every person may truthfully say “this is what I heard” while a qualifier disappears at each handoff:

• “A man said he heard it on a radio”;
• becomes “they heard it on the radio”;
• then “the radio announced it”;
• then “the report is confirmed.”

Repetition increases familiarity, and familiarity can increase perceived truth even when repetition adds no independent source. Count the chain back to the first witness, not the number of people who received its final version.

5. A prophecy can help create conditions later read as proof

In social psychology, a self-fulfilling prophecy occurs when an expectation shapes behavior that contributes to the expected result. Research also stresses limits: effects may be modest, conditional or resisted by reality and by other people. ^[5]

In an armed conflict, the loop may look like this:

1. A group expects its opponent to attack.
2. It arms itself and takes control of a location in preparation.
3. The opponent reads the weapons and occupation as a threat and intervenes.
4. The group interprets the intervention as proof that its original expectation was right.

This does not mean later abuses are justified or that one side creates the whole conflict. The narrower point is that an outcome is not independent evidence when our own conduct helped produce it. A study of the Waco crisis argues that self-fulfilling prophecy and escalating commitment can interact in crisis-amplifying loops, especially when decision-makers reduce the field to two opposing options and exclude contrary expertise. ^[6]

6. Sunk costs turn leaving into a painful confession

After investing time, money, reputation and sacrifice, withdrawal is no longer evaluated only by what happens next. It can feel like an admission that earlier costs went in the wrong direction. A second shot may make the first feel less meaningless—not because it proves the cause, but because continuing protects the meaning of what has already been done.

Decision research calls this escalation of commitment: persisting with a failing course partly because one is tied to an earlier decision. Reviews show that individual, social and organizational factors all matter; this is not merely bad arithmetic. ^[6][7]

A useful test is: if this decision began today, with only the information available now, would we choose it? Past costs cannot be recovered. Adding another loss does not rescue them.

7. Fragmented knowledge disperses action and hides responsibility

In a secret organization each person may know only enough to perform one task: one transports a box, another repairs a vehicle, a third guards a door, a fourth relays a message. Compartmentalization protects the plan. It also creates a moral space in which everyone can say, “I did not know the whole picture.”

Ignorance can shift from imposed absence to chosen avoidance. Once signals appear, a person who refuses to ask in order to preserve a relationship or role cannot describe the situation only as not knowing. They know enough to see a closed door and still agree to work beside it.

Responsibility becomes compartmentalized too: the leader did not shoot; the shooter followed an order; the messenger did not invent the report; the helper did not know the destination. Yet the outcome needed all of them. Careful accountability does not make their roles equal. It prevents individual acts from disappearing into the group’s name.

What can interrupt the process?

1. Preserve a falsifiable question: what evidence would change our mind?
2. Separate a general report from identifying a person, and identification from authorization to act.
3. Trace a comforting report to its first witness before repeating it.
4. Permit dissent without treating it as a defect of heart or loyalty.
5. Separate a right of defense from a judgment about the opponent’s identity or faith.
6. Re-evaluate with current information rather than past sacrifice.
7. Name the individual acts: who carried, ordered, fired, refused?
8. Stop the next act even when the previous one cannot be repaired.

These safeguards do not guarantee correctness. They keep doors open through which reality can enter.

What fiction adds

Research describes patterns and tests relations between variables. Fiction can place a reader inside the distance between knowledge and action: a small service, a trusted friend, a condition kept privately but invisible to the world, a report that brings relief before anyone asks where it came from.

In Juhayman — Kharijites Between the Rukn and the Maqam, the fictional protagonist is not evidence for history. He is a way to test responsibility: when does the hand that transports, pledges and carries a weapon become the hand of a decision, even without the entire plan? Book page: /en/books/juhayman/

For historical context, read: Juhayman and the 1979 Grand Mosque Seizure: What Happened, and Why Was al-Qahtani Called the Mahdi?

Frequently asked questions

Is extremism caused by mental illness?

No single disorder explains extremism, and there is no deterministic path. Personal, social, political and group factors interact; most people facing uncertainty or strong belonging do not become violent.

Is group belonging itself dangerous?

No. Belonging is a human need and often a source of good. Risk rises when correction is forbidden, outsiders are reduced to enemies, and loyalty replaces evidence.

What is circular evidence?

A system in which every possible result supports the claim, so acceptance and rejection are both turned into confirmation.

Does repetition make a report true?

No. Repetition adds familiarity, not an independent source. Trace the claim to the first person who directly observed it.

What is a self-fulfilling prophecy?

An expectation that shapes behavior contributing to the expected outcome. It does not mean every prophecy is false or that one party creates every result.

Why is leaving harder after sacrifice?

Because admitting error threatens the meaning of time, money, reputation and harm already incurred. This is one form of sunk-cost reasoning and escalating commitment.

Is a late refusal worthless?

It does not repair the past, but it can prevent another act. Its value is limited and real.

References

1. Michael A. Hogg, “From Uncertainty to Extremism” (2014). https://doi.org/10.1177/0963721414540168
2. Andreas Zick, “Dynamiken, Strukturen und Prozesse in extremistischen Gruppen,” BKA Handbook on Extremism Prevention. https://www.handbuch-extremismuspraevention.de/HEX/DE/Handbuch/Kapitel_3/Modul_3_2/Modul_3_2.html
3. Varmann et al., “How identity fusion predicts extreme pro-group orientations: A meta-analysis” (2024; online 2023). https://doi.org/10.1080/10463283.2023.2190267
4. Nicholas DiFonzo and Prashant Bordia, “Ferreting Facts or Fashioning Fallacies? Factors in Rumor Accuracy” (2011). https://doi.org/10.1111/j.1751-9004.2010.00321.x
5. Stephanie Madon et al., “Self-Fulfilling Prophecies: Mechanisms, Power, and Links to Social Problems” (2011). https://doi.org/10.1111/j.1751-9004.2011.00375.x
6. John C. Edwards, “Self-Fulfilling Prophecy and Escalating Commitment: Fuel for the Waco Fire” (2001). https://doi.org/10.1177/0021886301373006
7. Dustin J. Sleesman et al., “Cleaning Up the Big Muddy: A Meta-Analytic Review of the Determinants of Escalation of Commitment” (2012). https://doi.org/10.5465/amj.2010.0696

Editorial review: 25 September 2026. This is a general explanatory article, not a diagnosis of any individual or group.