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NM Security Guard key terms

NM Security Guard · Get comfortable with the vocabulary.

Private Security Authority

The statutory body that licenses security guards and firms, sets training and conduct standards, and can suspend or revoke a license after misconduct or criminal conviction. Guards answer to it as well as to their employer.

Related: Scope of Practice, License Requirement
Scope of Practice

The legally permitted limits of a guard's duties, defined by statute, license class, and post orders. Acting outside it, such as making a forcible citizen's arrest without grounds, exposes the guard to liability.

Related: Private Security Authority, Citizen's Arrest
Citizen's Arrest

A warrantless arrest by a private person, lawful only where a statute allows it, typically for a felony or a breach of the peace committed in the person's presence. The guard must deliver the person to police promptly.

Related: Probable Cause, Use of Force Continuum
Detention

Holding a person's movement for investigation or safety without formal arrest. It must rest on specific articulable facts and last no longer than necessary, or it becomes an unlawful false imprisonment.

Related: False Imprisonment, Reasonable Suspicion
Search and Seizure

Government intrusion into privacy protected by constitutional limits. Guards, as private actors, are usually not bound by those limits, but police-directed searches or contractual consent rules can change that analysis.

Related: State Action Doctrine, Consent Search
State Action Doctrine

The principle that constitutional search and seizure limits apply to private guards only when they act as agents of police or perform a public function. Acting at police direction can convert a guard into a state actor.

Related: Search and Seizure, Consent Search
Consent Search

A search permitted by a person's voluntary agreement, given without coercion and revocable at any time. Guards should record who consented, what was searched, and when the consent was withdrawn.

Related: Search and Seizure, Chain of Custody
False Imprisonment

Intentionally confining a person within boundaries without lawful authority or consent. A guard who blocks an exit over a suspected theft without grounds can face both criminal charges and a civil suit.

Related: Detention, Civil Liability
Civil Liability

Legal responsibility to pay damages for harm caused by wrongful acts, such as assault, battery, or negligence. Employers and guards can both be sued, and punitive damages may follow intentional misconduct.

Related: Negligence, Assault
Negligence

Failure to exercise the care a reasonable guard would use in similar circumstances, causing foreseeable harm. Proving it requires a duty, a breach, causation, and actual damages.

Related: Duty of Care, Civil Liability
Duty of Care

The legal obligation to protect others from unreasonable risk, arising from a guard's role, the premises, or a special relationship. It defines the standard against which conduct is measured.

Related: Negligence, Premises Liability
Premises Liability

A property owner's or occupier's responsibility for injuries caused by unsafe conditions on the property. Guards often document hazards and incidents that later become evidence in such claims.

Related: Duty of Care, Incident Report
Assault

An intentional act that causes a person to reasonably fear imminent harmful or offensive contact, even if no contact occurs. Raising a baton toward someone within striking distance can qualify.

Related: Battery, Use of Force Continuum
Battery

Intentional harmful or offensive physical contact with another person without lawful justification. Even minor contact, such as an unwanted grab of an arm, can constitute battery.

Related: Assault, Use of Force Continuum
Use of Force Continuum

A graduated framework matching the guard's response to the subject's level of resistance, from presence and verbal direction up to defensive tactics. Force must be necessary, proportional, and stopped when resistance ends.

Related: Reasonable Force, Deadly Force
Reasonable Force

The amount and type of force a prudent guard would use to prevent harm or effect a lawful arrest under the circumstances. It is judged from the guard's perspective at the time, not with hindsight.

Related: Use of Force Continuum, Deadly Force
Deadly Force

Force intended or likely to cause death or serious bodily injury. Private guards may use it only in narrow circumstances, generally to prevent imminent death or serious injury, and must know local statutory limits.

Related: Reasonable Force, Use of Force Continuum
Probable Cause

Facts and circumstances that would lead a reasonable person to believe a crime has been or is being committed. It is a higher standard than reasonable suspicion and is required for a lawful arrest.

Related: Reasonable Suspicion, Citizen's Arrest
Reasonable Suspicion

Specific, articulable facts suggesting criminal activity is afoot, enough to justify a brief investigative detention. Hunches or a person's appearance alone do not meet the standard.

Related: Probable Cause, Detention
Chain of Custody

The documented chronological record of who handled evidence, when, and where, from collection to court. A broken chain can make evidence inadmissible or undermine the guard's credibility.

Related: Incident Report, Evidence Preservation
Evidence Preservation

Protecting physical items, recordings, and scene conditions from alteration or loss until police or investigators take control. Guards should secure the area, avoid handling items, and log every action.

Related: Chain of Custody, Incident Report
Incident Report

A factual written account of an event, recording who, what, when, where, and how, plus actions taken and witnesses. It should be objective, chronological, and free of opinions or conclusions.

Related: Chain of Custody, Daily Activity Report
Daily Activity Report

A log of routine patrols, checks, visitors, and notable events during a shift. It establishes what was done and when, and supports later reconstruction of a timeline.

Related: Incident Report, Patrol Log
Patrol Log

A running record of patrol rounds, times, locations, and observations, often verified by checkpoint scans. It proves required rounds were completed and helps spot patterns over time.

Related: Daily Activity Report, Access Control
Access Control

Procedures and technology that determine who may enter a space and under what conditions, using badges, locks, or escorts. Guards verify identity and authorization rather than relying on familiarity.

Related: Visitor Management, Tailgating
Tailgating

Unauthorized entry by following an authorized person through a controlled door. Guards counter it by challenging unfamiliar people, using vestibules, and enforcing one-person-per-badge rules.

Related: Access Control, Visitor Management
Visitor Management

The process of screening, registering, badging, and escorting non-employees on a site. It includes verifying purpose, issuing temporary credentials, and logging entry and exit times.

Related: Access Control, Tailgating
Emergency Action Plan

A written set of procedures for evacuation, shelter-in-place, and accountability during fires, severe weather, or violence. Guards must know their assigned role and the location of alarms and exits.

Related: Evacuation Assembly Point, Incident Command
Evacuation Assembly Point

A designated safe location where occupants gather after evacuation so they can be counted and accounted for. Guards direct people there and report missing persons to responders.

Related: Emergency Action Plan, Incident Command
Incident Command System

A standardized structure for managing emergencies through defined roles such as command, operations, and logistics. Guards integrate by reporting to the unified command rather than acting independently.

Related: Emergency Action Plan, First Responder Liaison
First Responder Liaison

The guard or supervisor who meets police, fire, or medical units, briefs them on the situation, and provides keys, maps, and access. Clear handoff prevents duplicated effort and confusion.

Related: Incident Command System, Emergency Action Plan
Radio Protocol

Agreed rules for transmitting, such as identifying yourself, stating location and nature of the problem, and keeping messages brief. Clear protocol reduces confusion during high-stress events.

Related: Emergency Action Plan, De-escalation
De-escalation

Techniques such as calm speech, active listening, space, and time that reduce a person's agitation before force becomes necessary. It is a required first option whenever safety permits.

Related: Use of Force Continuum, Active Listening
Active Listening

Fully attending to a speaker, reflecting back what was heard, and asking clarifying questions to confirm understanding. It builds cooperation with the public and improves the accuracy of statements taken at a scene.

Related: De-escalation, Incident Report
Professional Ethics

The standards of honesty, integrity, confidentiality, and impartiality expected of guards. Ethical conduct protects the employer's reputation and reduces legal exposure.

Related: Conflict of Interest, Bias Awareness
Conflict of Interest

A situation where personal interests, relationships, or side business could improperly influence a guard's decisions. It must be disclosed and avoided, for example by not guarding a relative's dispute.

Related: Professional Ethics, Bias Awareness
Bias Awareness

Recognizing how unconscious stereotypes about race, age, gender, or appearance can distort observation and decisions. Guards counter it by using objective, articulable facts and consistent procedures.

Related: Reasonable Suspicion, Professional Ethics
Insider Threat

Risk from an employee or contractor who misuses legitimate access to harm the site, steal assets, or assist outsiders. Guards watch for unusual behavior, after-hours access, and unescorted visitors.

Related: Access Control, Critical Infrastructure
Critical Infrastructure

Systems and assets, such as power, water, transport, and communications, whose disruption would seriously harm public safety or the economy. Guards on these sites follow heightened access and reporting rules.

Related: Insider Threat, Suspicious Activity Reporting
Suspicious Activity Reporting

Documenting and passing on behavior that may indicate pre-operational surveillance, such as repeated photography of security features or probing of access points. Reports should state observed facts, not conclusions.

Related: Critical Infrastructure, Incident Report