AZ State Trooper key terms
AZ State Trooper · Get comfortable with the vocabulary.
- Reasonable Suspicion
- Related: Terry Stop, Probable Cause
A specific, articulable set of facts that would lead a reasonable officer to believe criminal activity may be occurring, justifying a brief investigative stop.
- Probable Cause
- Related: Reasonable Suspicion, Arrest Warrant, Exclusionary Rule
Facts and circumstances that would convince a reasonable person that a crime has been committed and that a particular person committed it, supporting arrest or a search warrant.
- Terry Stop
- Related: Reasonable Suspicion, Pat-Down Search
A brief detention based on reasonable suspicion during which an officer may investigate and, if warranted by safety concerns, conduct a limited pat-down for weapons.
- Pat-Down Search
- Related: Terry Stop, Search Warrant
A limited exterior frisk of a person's clothing for weapons, permitted when an officer reasonably suspects the person is armed and dangerous.
- Search Warrant
- Related: Probable Cause, Exclusionary Rule
A written court order authorizing officers to search a specified place or person for specific items, issued upon a showing of probable cause.
- Arrest Warrant
- Related: Probable Cause, Custodial Interrogation
A court order directing officers to take a named person into custody, based on a sworn showing that probable cause exists for the arrest.
- Miranda Warning
- Related: Custodial Interrogation, Exclusionary Rule
The advisory of rights to remain silent, that statements may be used against the person, and to counsel, required before custodial interrogation.
- Custodial Interrogation
- Related: Miranda Warning, Arrest Warrant
Questioning by officers of a person who is in custody or whose freedom is significantly restrained, triggering the requirement for Miranda warnings.
- Exclusionary Rule
- Related: Probable Cause, Search Warrant, Miranda Warning
The principle that evidence obtained through an unconstitutional search, seizure, or interrogation generally cannot be used against the defendant at trial.
- Chain of Custody
- Related: Evidence Log, Field Interview
The documented, unbroken record of who handled evidence, when, and where, from collection through trial, used to show the evidence is authentic.
- Elements of an Offense
- Related: Criminal Intent, Probable Cause
The specific facts the prosecution must prove beyond a reasonable doubt for a conviction, such as the prohibited act and the required mental state.
- Criminal Intent
- Related: Elements of an Offense
The mental state or purpose with which a person acts when committing a prohibited act, often called mens rea and required for most serious offenses.
- Arraignment
- Related: Arrest Warrant, Booking
An early court appearance in which the defendant is informed of the charges and enters a plea, and bail or release conditions may be set.
- Booking
- Related: Arraignment, Chain of Custody
The administrative process of recording an arrested person's identity, charges, and property after arrest and before jail custody.
- Field Interview
- Related: Chain of Custody, Observation Report
A documented contact with a person during patrol in which the officer records identifying information and circumstances for later investigative use.
- Observation Report
- Related: Field Interview, Report Narrative, Chronological Order
A written narrative recording what an officer personally saw, heard, and did, organized chronologically and factually without opinion or conclusion.
- Report Narrative
- Related: Observation Report, Chronological Order
The main written account in a police report describing the incident from beginning to end, including actions, statements, and evidence collected.
- Chronological Order
- Related: Report Narrative, Observation Report
Arranging events in the sequence they occurred, a standard organization for police narratives that helps readers follow the account accurately.
- Objective Language
- Related: Report Narrative, Observation Report
Writing that states observable facts and direct quotations without personal opinion, speculation, or emotionally loaded wording, keeping reports credible and precise.
- Evidence Log
- Related: Chain of Custody
A running written record listing each item seized or received, its identifying number, description, and the names of persons handling it.
- Traffic Stop Procedure
- Related: Emergency Lighting, Reasonable Suspicion
The standard sequence for stopping a vehicle safely, including choosing a location, signaling the driver, positioning the patrol car, and approaching with awareness.
- Emergency Lighting
- Related: Traffic Stop Procedure
Vehicle-mounted flashing lights used to warn traffic and identify an official stop; their use can affect whether a seizure has occurred.
- Vehicle Pursuit Policy
- Related: Traffic Stop Procedure, Radio Communication Protocol
Agency rules setting when an officer may chase a fleeing vehicle, weighing public danger, offense severity, and supervisory control, and when the chase must end.
- Radio Communication Protocol
- Related: Vehicle Pursuit Policy, Officer Safety Positioning
Standard procedures for clear, concise radio traffic, including identifying the unit, stating location and situation, and requesting backup or resources.
- Officer Safety Positioning
- Related: Traffic Stop Procedure, Radio Communication Protocol
Choosing where to stand during a stop or contact to maintain cover, sightlines, and distance, reducing exposure to traffic and to the person contacted.
- Accident Investigation
- Related: Skid Mark Analysis, Observation Report
The systematic process of documenting a crash, including scene measurements, witness statements, vehicle damage, and contributing factors such as speed or impairment.
- Skid Mark Analysis
- Related: Accident Investigation
Using the length and pattern of tire marks to estimate vehicle speed and braking at a crash scene, recorded with measurements and photographs.
- Implied Consent
- Related: Probable Cause, Field Sobriety Test
The legal principle that drivers, by using public roads, agree in advance to chemical testing when lawfully arrested for suspected impaired driving.
- Field Sobriety Test
- Related: Implied Consent, Probable Cause
Standardized physical assessments, such as walk-and-turn and one-leg stand, used to gather evidence of impairment during an impaired-driving investigation.
- Written Examination
- Related: Reading Comprehension, Physical Fitness Test
The scored knowledge and aptitude test in the selection process, often covering reading, writing, observation, and reasoning, used to screen applicants.
- Physical Fitness Test
- Related: Written Examination, Background Investigation
A scored assessment of strength, endurance, and agility, such as push-ups, sit-ups, and a timed run, used to judge readiness for academy training.
- Background Investigation
- Related: Polygraph Examination, Selection Interview
A thorough check of an applicant's work history, references, credit, driving record, and criminal history to confirm suitability and honesty.
- Polygraph Examination
- Related: Background Investigation, Selection Interview
A recorded physiological test used to verify statements during screening; results are considered with other evidence rather than alone.
- Selection Interview
- Related: Background Investigation, Polygraph Examination
A structured oral assessment in which a panel asks standardized questions about judgment, integrity, and motivation to evaluate an applicant's suitability.
- Reading Comprehension
- Related: Written Examination, Observation Skills
The ability to read a passage and identify its main idea, supporting details, and inferences, a skill tested in written exams and required for report work.
- Observation Skills
- Related: Reading Comprehension, Observation Report
The ability to notice and later recall specific details such as people, vehicles, and sequence of events, tested through memory and attention exercises.
- Inference
- Related: Reading Comprehension, Observation Skills
A conclusion drawn from stated facts rather than directly stated in the text, a common question type in reading and observation assessments.
- Main Idea
- Related: Reading Comprehension, Inference
The central point a passage conveys, often stated in a topic sentence and used as the basis for many comprehension questions.