ATP 3-39.10 POLICE OPERATIONS AUGUST 2021 DISTRIBUTION RESTRICTION: Approved for Public Release; distribution is unlimited. This publication supersedes ATP 3-39.10, 26 January 2015. Headquarters, Department of the Army This publication is available at the Army Publishing Directorate site (https:// armypubs.army.mil), and the Central Army Registry site (https://atiam.train.army.mil/catalog/dashboard). *ATP 3-39.10 Army Techniques Publication Headquarters No. 3-39.10 Department of the Army Washington, D.C., 24 August 2021 Police Operations Contents Page PREFACE..................................................................................................................... v INTRODUCTION ........................................................................................................ vii Chapter 1 POLICE OPERATIONS SUPPORT TO ARMY OPERATIONS ............................... 1-1 The Police Operations Discipline .............................................................................. 1-1 Principles of Police Operations ................................................................................. 1-4 Rule of Law ................................................................................................................ 1-6 Command and Control of Army Law Enforcement .................................................... 1-7 Operational Environment ........................................................................................... 1-9 Unified Action .......................................................................................................... 1-10 Police Operations Across the Range of Military Operations ................................... 1-10 Support to Unified Land Operations ........................................................................ 1-12 Support to Decisive Action ...................................................................................... 1-15 Chapter 2 POLICE OPERATIONS INTEGRATION .................................................................. 2-1 Section I - Planning, Preparing, Executing and Assessing Police Operations. 2-1 Planning ..................................................................................................................... 2-2 Preparing ................................................................................................................... 2-7 Execution ................................................................................................................... 2-8 Assessment ............................................................................................................... 2-8 Section II – Organizing for Police Operations .................................................... 2-11 Bases and Base Camps .......................................................................................... 2-12 Police Operations Support to Base Camps in Contingency Operations ................. 2-14 Patrol Areas and Patrol Distribution ........................................................................ 2-14 Manpower and Mission Requirements .................................................................... 2-19 Section III - Police Operations Capabilities ........................................................ 2-22 Military Police Formations ....................................................................................... 2-26 Military Police Organizations With Specific Police Capabilities............................... 2-26 Chapter 3 THE POLICE STATION ............................................................................................ 3-1 Section I - Police Station Capabilities ................................................................... 3-1 Police Station ............................................................................................................. 3-1 Detention Cell Operations ......................................................................................... 3-7 Army Law Enforcement Compliance Assessment Program ..................................... 3-9 Section II - Police Information Management ......................................................... 3-9 Legal Considerations ............................................................................................... 3-10 Army Law Enforcement Reporting and Tracking System ....................................... 3-11 DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited. *This publication supersedes ATP 3-39.10, 26 January 2015. ATP 3-39.10 i Contents Non-Army Law Enforcement Information Systems ................................................. 3-12 Section III - Police Station Construction Considerations ................................. 3-13 General Requirements ............................................................................................ 3-13 Reconstitition of Host-Nation Police Stations ......................................................... 3-17 Chapter 4 POLICING MEASURES AND STRATEGIES .......................................................... 4-1 Section I – Policing Measures ............................................................................... 4-1 Law Enforcement Measures ..................................................................................... 4-2 Physical Security Measures ...................................................................................... 4-3 Crime Prevention Measures ..................................................................................... 4-6 Section II – Policing Strategies ............................................................................ 4-12 Places-Based Approaches ...................................................................................... 4-13 Problem-Based Approaches ................................................................................... 4-14 Person-Focused Approaches ................................................................................. 4-15 Community-Based Approaches .............................................................................. 4-15 Intelligence-Based Approaches .............................................................................. 4-17 Environmental Approaches ..................................................................................... 4-17 Chapter 5 LAW ENFORCEMENT ............................................................................................. 5-1 Law Enforcement Patrols .......................................................................................... 5-1 Patrol Methods .......................................................................................................... 5-3 Law Enforcement Patrol Strategies .......................................................................... 5-8 Traffic Enforcement and Investigations................................................................... 5-10 Criminal Investigations ............................................................................................ 5-10 Interviews and Law Enforcement Interrogations ..................................................... 5-12 Searches and Seizures ........................................................................................... 5-14 Law Enforcement Raids .......................................................................................... 5-19 Drug Raids .............................................................................................................. 5-19 Apprehension by Army Law Enforcement .............................................................. 5-20 Report Writing ......................................................................................................... 5-21 Court Testimony ...................................................................................................... 5-22 Customs Support .................................................................................................... 5-23 Chapter 6 POLICING ................................................................................................................. 6-1 Military Police Support To Civil Security and Civil Control........................................ 6-1 Civil Disturbance Control ........................................................................................ 6-34 Support to Civil Law Enforcement ........................................................................... 6-35 Chapter 7 POLICE ENGAGEMENT .......................................................................................... 7-1 Military Police Operations ......................................................................................... 7-1 Planning and Coordination ........................................................................................ 7-2 Collaboration and Fusion .......................................................................................... 7-6 Chapter 8 TRAFFIC MANAGEMENT AND ENFORCEMENT .................................................. 8-1 Support ...................................................................................................................... 8-1 Planning .................................................................................................................... 8-3 Traffic Control ............................................................................................................ 8-7 Traffic Enforcement ................................................................................................. 8-24