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    • 01. Police use of force in Brazil: resistance, physical control, and training
    • 02. How other countries record physical resistance and police use of force
    • 03. When the incident goes to the ground: resistance, physical control, and officer injuries
    • 04. Handcuffing a Person Who Continues to Resist: From Physical Control to Custody
    • 05. One, Two, or More Officers: What Changes During Physical Restraint
    • 06. Injuries in Physical Encounters: When Police Physical Control Results in Injury
    • 07. Police Training and Skill Retention: What Remains After the Course
    • 08. Martial Arts and Police Training: What the Research Really Shows
    • 09. Body-Worn Cameras and Real-World Police Encounters: A New Source for Studying Police Physical Control
    • 10. CS-001 — COMBATIVES Physical Control Study | Proprietary Research · Restricted Access
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    • Charlie Munger and the Value of Not Being Stupid
    • Ernest Shackleton and Leadership When Everything Goes Wrong
    • Joan Pujol Garcia and the Enemy He Deceived
    • John Boyd and the OODA Loop: Decision Speed as a Survival Weapon
    • Miyamoto Musashi and Perception in Combat
    • Vilfredo Pareto and the 80/20 Principle in Practice
    • Virginia Hall and the Art of Going Unnoticed
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By IRC Braddock, 23 July, 2026

COMBATIVES

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COMBATIVESℱ
UNDERSTAND VIOLENCE. PREPARE TO RESPOND.

SÃO PAULO · BRAZIL

Independent study of violence, human behavior, prevention, protection and decision-making in real-world situations.

Data, research, documented cases and practical experience help us understand how different situations begin, develop and change.

Understanding the problem better expands the options for protection.

BRAZIL · EMERGENCY & REPORTING

Know who to call.

Police emergencies, medical care, rescue services, assistance and reporting each have dedicated channels. Use the appropriate service for the situation.

190 Police emergency

Immediate threats, police emergencies or crimes in progress.

192 SAMU

Medical emergencies and urgent pre-hospital care.

193 Fire & rescue

Fires, rescues, emergency response and lifesaving operations.

180 Violence against women

Guidance, support and reporting related to violence against women.

100 Human Rights

Reports involving children, adolescents, older adults and other human rights violations.

181 Anonymous reporting · SP

Anonymous reporting of criminal activity in the State of SĂŁo Paulo.

Public emergency and reporting numbers in Brazil. For an immediate police emergency or a crime in progress, call 190. COMBATIVES does not operate or manage these services.

About COMBATIVES

COMBATIVES studies violence, human behavior, prevention, protection and decision-making in real-world situations.

Data, research, documented cases, history and practical experience are compared within the context of each subject.

Each source is used for what it can add: data, method, cases, context or documented experience.

Research & Sources

  • COMBATIVES · Research & Study Notes 
  • COMBATIVES · Research Sources & Institutional References 
  • World Health Organization · WHO 
  • Centers for Disease Control and Prevention · CDC 
  • U.S. Secret Service · National Threat Assessment Center 
  • National Institute of Justice · NIJ 
  • Federal Bureau of Investigation · FBI 
  • United Nations Office on Drugs and Crime · UNODC 

View all research sources and institutional references → 

© 2026 COMBATIVES · São Paulo · Brazil. All rights reserved.

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