What is it about?

This paper examines the writing, symbols, and markings found on weapons used in incidents of mass violence. It explains that these markings can sometimes help threat assessment professionals better understand a person’s identity, grievances, beliefs, and intended targets. The main point is that weapon inscriptions should not be interpreted in isolation; they can be useful when considered alongside a person’s behavior, communications, planning, and other warning signs. The paper provides practitioners with a more structured way to think about these markings, enabling them to better assess risk and support earlier intervention.

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Why is it important?

This paper is important because it gives threat assessment professionals a more structured way to understand warning signs that may appear on weapons before or during acts of mass violence. Writing, numbers, names, slogans, or symbols on a weapon can sometimes reveal what the person is angry about, whom they identify with, whom they blame, or whom they intend to harm. These markings should never be treated as proof on their own, but they can provide important context when combined with other behaviors, communications, planning, and leakage. This matters because a better interpretation of these signals may help professionals assess risk more accurately and intervene earlier.

Perspectives

My perspective is that weapon inscriptions should be understood as behavioral evidence, not as random markings or automatic proof of intent. As a BTAM practitioner, I see these writings and symbols as potential clues that may help explain how a person understands their grievance, identity, ideology, targets, or connection to prior attackers. My paper argues that these markings should be interpreted carefully and only in context with other behaviors, including leakage, planning, fixation, communications, and access to weapons. The goal is not to overstate their meaning, but to give practitioners a more structured and responsible way to assess risk and support prevention.

Brian LeBlanc
Alliant International University

Read the Original

This page is a summary of: Weapon inscriptions in mass shootings: A structured illustrative case series for behavioral threat assessment and management., Journal of Threat Assessment and Management, June 2026, American Psychological Association (APA),
DOI: 10.1037/tam0000280.
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