| No. | Item | Definition |
|---|---|---|
| 1. | accountability | responsibility for actions |
| 2. | alarm | signal of danger |
| 3. | alert | warning of possible danger |
| 4. | ambush | surprise attack from hiding |
| 5. | apprehend | capture or seize lawfully |
| 6. | arrest | take into legal custody |
| 7. | assault | threat or attack on person |
| 8. | authority | official power to act |
| 9. | backup | additional support personnel |
| 10. | ballistics | study of bullets and firearms |
| 11. | barricade | obstruction blocking passage |
| 12. | breach | break in security or law |
| 13. | briefing | short informational meeting |
| 14. | burglary | illegal entry to commit crime |
| 15. | checkpoint | controlled inspection point |
| 16. | citation | formal notice of violation |
| 17. | civilian | person not in military |
| 18. | containment | keeping threat within area |
| 19. | contraband | illegal or prohibited items |
| 20. | cordon | guarded restricted boundary |
| 21. | curfew | required time indoors |
| 22. | custody | state of being detained |
| 23. | de-escalation | reducing tension or conflict |
| 24. | deadly force | force likely to kill |
| 25. | debriefing | review after an operation |
| 26. | decoy | person or thing used to mislead |
| 27. | detain | hold someone temporarily |
| 28. | detainee | person being held |
| 29. | directive | formal instruction |
| 30. | dispatch | send personnel or information |
| 31. | encryption | coded protection of information |
| 32. | escort | accompany for protection or control |
| 33. | ethics | moral standards of conduct |
| 34. | evacuation | organized removal from danger |
| 35. | evidence | material proving a fact |
| 36. | explosive | substance that can detonate |
| 37. | felony | serious criminal offense |
| 38. | fingerprint | unique mark from a finger |
| 39. | firearm | gun that shoots bullets |
| 40. | force | physical power used |
| 41. | forensics | scientific crime investigation |
| 42. | forgery | false making of documents |
| 43. | handcuffs | restraints for the wrists |
| 44. | holster | holder for a handgun |
| 45. | incident | event requiring attention |
| 46. | informant | person giving secret information |
| 47. | inspection | official close examination |
| 48. | integrity | honesty and strong principles |
| 49. | intelligence | collected useful security information |
| 50. | intent | purpose behind an act |
| 51. | intercept | stop before destination |
| 52. | interrogate | question formally for information |
| 53. | inventory | detailed list of items |
| 54. | jurisdiction | legal area of authority |
| 55. | K-9 | trained police dog unit |
| 56. | kidnapping | unlawful taking of a person |
| 57. | lockdown | restricted movement for security |
| 58. | logbook | record of events |
| 59. | magazine | container feeding ammunition |
| 60. | malfunction | failure to operate properly |
| 61. | misdemeanor | less serious criminal offense |
| 62. | motive | reason for an action |
| 63. | offense | illegal act or crime |
| 64. | order | official instruction to obey |
| 65. | ordnance | military weapons and ammunition |
| 66. | patrol | routine area security duty |
| 67. | perimeter | outer security boundary |
| 68. | policy | guiding rule or principle |
| 69. | prisoner | person kept in custody |
| 70. | procedure | set way of acting |
| 71. | protocol | established procedure |
| 72. | pursuit | chasing a fleeing person |
| 73. | raid | sudden law enforcement operation |
| 74. | regulation | official rule |
| 75. | report | official written account |
| 76. | resistance | opposition to control |
| 77. | response | action taken after incident |
| 78. | riot | violent public disturbance |
| 79. | robbery | theft by force or threat |
| 80. | screening | checking people or items |
| 81. | search | look for evidence or weapons |
| 82. | smuggling | illegal transport of goods |
| 83. | stakeout | hidden watch on a location |
| 84. | statement | formal spoken or written account |
| 85. | surveillance | close monitoring of activity |
| 86. | suspect | person thought involved |
| 87. | sweep | systematic search of area |
| 88. | testimony | evidence given under oath |
| 89. | theft | taking property unlawfully |
| 90. | threat | possible source of harm |
| 91. | transmission | message sent by radio |
| 92. | trespass | entering without permission |
| 93. | uniform | standard duty clothing |
| 94. | vandalism | deliberate property damage |
| 95. | vest | protective body garment |
| 96. | victim | person harmed by crime |
| 97. | violation | breach of rules or law |
| 98. | warning | advance notice of danger |
| 99. | warrant | official authorization document |
| 100. | witness | person who saw event |