Constitutional Law
Patrol Procedures & Tactics
Federal Agencies & Badges
Crime & Legal Terms
Forensics & Crime Scene
100

What is the Fourth Amendment?

This Constitutional Amendment protects citizens against unreasonable searches and seizure

100

What is patrol

The routine daily duty of officers walking or driving through an assigned geographic area

100

What is the FBI

This premier federal investigative agency falls under the Department of Justice DOJ

100

What is murder

The unlawful killing of a human being with malice aforethought

100

What is a fingerprint

This is the unique pattern of ridges on human fingers, which remains one of the most common ways to identify a suspect

200

What is Miranda v. Arizona?

This famous 1966 Supreme Court case established the requirement to advise suspects of their rights before interrogation

200

(What is briefing / roll call?)

A brief operational meeting that officers attend before starting their shift

200

What is the U.S. Marshals Service

This federal agency is responsible for court security, serving federal warrants, and managing fugitive operations

200

What are property crimes

Shoplifting, vandalism, and trespassing fall under this broad classification of offenses that do not typically target a person

200

What is DNA

This biological blueprint, found in blood, saliva, and hair roots, can definitively link a suspect to a crime scene

300

What is reasonable suspicion?

allows police officers to briefly stop and detain a person if they have specific, articulable facts suggesting criminal activity

300

What is the fatal funnel

: This narrow, exposed entryway leading through a doorway during a building search is known by this dangerous tactical term

300

What is ICE / Immigration and Customs Enforcement

This Department of Homeland Security DHS agency handles immigration enforcement and border security investigations

300

What is Modus Operandi or M.O.

This term describes a criminal's distinct method of operation or pattern of behavior

300

What is Luminol

This chemical is sprayed at a crime scene to detect trace amounts of blood by glowing blue under a dark light, even if the area has been washed

400

What is probable cause

This standard of proof is legally required for a police officer to make an arrest or obtain a search warrant

400

What is LIDAR/laser?)

This handheld speed-measuring device uses light detection and ranging

400

What is INTERPOL

This international organization facilitates cross-border police cooperation and crime-fighting data sharing among member countries

400

What is the crime triangle

The visual learning aid used in criminology shaped as a three-sided polygon containing ability, motive, and opportunity

400

What is the Chain of Custody

This document tracks the chronological history of who handled, transferred, and stored a piece of evidence to ensure it isn't tampered with

500

What is the Exclusionary Rule

This legal rule dictates that evidence collected or analyzed in violation of the defendant's constitutional rights is inadmissible in court

500

What is the need/immediacy of apprehending the suspect versus the risk of the chase

According to standard pursuit policies, an officer must weigh the immediate danger to the public against this factor before chasing a vehicle

500

What are slave patrols

This historic antebellum regional system formed the earliest roots of organized American policing in the South

500

What is the Blue Wall of Silence

This unwritten code among some police circles discourages reporting the misconduct of fellow officers

500

What is ballistics

This branch of forensics deals with the study of firearms, bullets, and the marks left on ammunition when a weapon is fired

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