PA Act 235 study materials
PA Act 235 study resources

PA Act 235 key terms

PA Act 235 · Get comfortable with the vocabulary.

Act 235

Pennsylvania's Lethal Weapons Training Act. It requires people who carry a lethal weapon while doing private security or protective work to complete state-approved training and hold a current certification.

Related: Certified Agent, Lethal Weapon
Certified Agent

A person who has completed the Act 235 course, passed the required testing, and holds a current certification card from the Pennsylvania State Police allowing covered employment as an armed agent.

Related: Act 235, Lethal Weapon
Lethal Weapon

As used in Act 235, a firearm or any spring, air, or gas-operated weapon, or other device capable of causing serious bodily injury or death.

Related: Act 235, Deadly Force
Exemption (Act 235)

A statutory exclusion from Act 235 certification for people already trained and supervised under other government authority, such as sworn police officers and active-duty military personnel.

Related: Act 235, Certified Agent
Justification Defense

A Pennsylvania Crimes Code defense that treats otherwise criminal force as lawful when it was necessary to protect oneself, another person, or property within statutory limits.

Related: Reasonable Belief, Defense of Property
Probable Cause

Facts and circumstances that would lead a reasonable person to believe an offense has been committed and that a specific person committed it.

Related: Citizen's Arrest, Defiant Trespass
Citizen's Arrest

The limited authority of a private person to detain someone who commits a felony or breach of the peace in their presence, with prompt transfer of custody to police.

Related: Probable Cause, Defiant Trespass
Defiant Trespass

Entering or remaining on property after being told by the owner or an authorized person that entry is forbidden, or after being asked to leave.

Related: Citizen's Arrest
Reasonable Belief

The standard for judging force: whether a reasonable person, facing the same situation and knowing what the actor knew, would have acted the same way.

Related: Objective Reasonableness, Imminent Threat
Objective Reasonableness

A test that asks whether force was reasonable from the viewpoint of a reasonable agent on the scene, judged on the facts known at the time rather than with hindsight.

Related: Reasonable Belief, Excessive Force
Imminent Threat

A danger that exists now or is about to occur immediately, as opposed to a threat that is possible but remote in time.

Related: Deadly Force, Reasonable Belief
Deadly Force

Force that is intended or likely to cause death or serious bodily injury, including firing a firearm at a person.

Related: Serious Bodily Injury, Duty to Retreat
Serious Bodily Injury

Bodily injury creating a substantial risk of death, or causing serious permanent disfigurement or long-term loss or impairment of a body function.

Related: Deadly Force
Duty to Retreat

An obligation to withdraw before using deadly force when it can be done with complete safety; Pennsylvania recognizes no such duty for a person lawfully in their own home or workplace.

Related: Deadly Force
Defense of Property

Limited justification for using force to stop damage to or theft of property; force likely to cause death or serious injury is not permitted for property alone.

Related: Justification Defense, Excessive Force
Excessive Force

Force that goes beyond what a reasonable person would consider necessary under the same circumstances, judged by the threat as it appeared at the time.

Related: Objective Reasonableness, Duty to Intervene
Muzzle Discipline

Keeping the muzzle pointed in a safe direction at all times so that an accidental discharge cannot injure anyone.

Related: Trigger Discipline, Backstop
Trigger Discipline

Keeping the finger straight along the frame and off the trigger until the sights are on target and the decision to fire has been made.

Related: Muzzle Discipline, Trigger Control
Backstop

The area behind and beyond a target that will stop and contain a bullet; it must be confirmed clear before any shot is fired.

Related: Muzzle Discipline, Sight Picture
Clearing

Making a firearm safe by removing the source of ammunition, locking the action open, and visually and physically checking that the chamber and magazine well are empty.

Related: Squib Load
Squib Load

A cartridge that fires with abnormally low pressure and may leave a bullet lodged in the barrel; the shooter must stop, keep the muzzle downrange, and inspect.

Related: Stoppage, Clearing
Stoppage

Any interruption of the firing cycle, such as a failure to feed, fire, extract, or eject, corrected with techniques like tap, rack, and re-engage.

Related: Squib Load, Trigger Control
Sight Alignment

The relationship between the front sight and the rear sight, with the front post centered and level in the rear notch.

Related: Sight Picture, Trigger Control
Sight Picture

The aligned sights placed on the intended point of impact while the target itself remains slightly out of focus.

Related: Sight Alignment, Backstop
Trigger Control

Pressing the trigger straight to the rear smoothly enough that the sights stay aligned until the shot breaks.

Related: Sight Alignment, Trigger Discipline
Less-Lethal Weapon

A device or technique intended to control or stop a subject with a low likelihood of death or serious injury, though injury remains possible.

Related: OC Spray, Impact Weapon
OC Spray

An aerosolized oleoresin capsicum agent that inflames the eyes and respiratory tract to interrupt an attack; the subject must be monitored and decontaminated afterward.

Related: Less-Lethal Weapon, De-escalation
Impact Weapon

A baton or similar striking tool used on large muscle groups to interrupt an assault, avoiding the head, neck, spine, and groin.

Related: Target Areas, Less-Lethal Weapon
Target Areas

Approved regions of the body for impact weapon strikes, generally the large muscle groups of the arms, thighs, and buttocks.

Related: Impact Weapon
Handcuffing

Restraining a subject's wrists behind the back, double-locking the cuffs, checking for tightness, and searching the subject before and after.

Related: Positional Asphyxia, Excited Delirium
Positional Asphyxia

Death or injury from a body position that restricts breathing, often when a prone subject has weight on the back; reposition to the side or upright immediately.

Related: Excited Delirium, Handcuffing
Excited Delirium

A medical emergency marked by extreme agitation, incoherence, high body temperature, and insensitivity to pain, carrying a high risk of sudden death during restraint.

Related: Positional Asphyxia
De-escalation

Using communication, time, and distance to lower the intensity of an encounter so that force is less likely or less severe.

Related: Active Listening, Tactical Repositioning
Active Listening

Deliberately focusing on what a person says and reflecting it back, which builds rapport and reduces emotional intensity.

Related: De-escalation
Tactical Repositioning

Moving to gain distance or cover while continuing to communicate, rather than staying close to or closing on a threat.

Related: Cover and Concealment, De-escalation
Cover and Concealment

Cover stops bullets; concealment only hides. Recognizing the difference determines where an agent moves during a threat.

Related: Tactical Repositioning, Stress Response
Stress Response

Physical changes under high stress, such as tunnel vision, auditory exclusion, rapid heartbeat, and loss of fine motor control, that affect perception and performance.

Related: Articulation, Cover and Concealment
Articulation

Explaining in specific, factual terms why the force used was reasonable at the moment it was used, linking the threat to the response.

Related: Use-of-Force Report, Objective Reasonableness
Use-of-Force Report

A written record completed after any force, documenting the threat, the response, witnesses, injuries, and medical aid in objective, specific language.

Related: Articulation, Duty to Intervene
Duty to Intervene

The obligation to stop or report another person's excessive force when there is a realistic opportunity to do so.

Related: Excessive Force, Use-of-Force Report