Can a Security Guard Detain Someone? State Law Decides

Whether a security guard can detain someone depends on three layers that must line up: the state's statute, the employer's or client's written rules, and the training the state requires. State law sets what any private person may do. Employer rules usually narrow that further. Training is how a guard learns where the line sits.

Three terms are used the same way throughout this page:

A guard without police powers is, in our reading, a private person under these statutes, which is why the private-person rule is the first place to look.

Someone who was stopped by a guard and has questions about their own case should speak to a lawyer and may contact the police. The rest of this page is written for working guards and applicants.

Minnesota and New York let a private person arrest, North Carolina allows detention only, and Florida lets a merchant detain a suspected shoplifter. Minnesota and New York also have separate retail detention rules: Minnesota caps retail detention at one hour (629.366), and New York requires reasonable grounds (General Business Law 218).

Four terms in the table need plain definitions:

• Probable cause means facts that would lead a reasonable person to believe the offense occurred.
• Reasonable cause and reasonable grounds also mean a belief resting on facts; how your state's courts treat the difference from probable cause is a question for a lawyer.
• In fact committed means the offense actually happened, whatever the guard believed.
• Breach of the peace means conduct that disturbs public order.

The table sets out what each text allows, as of November 2026.

Four differences matter more than any other detail in these texts.

The verb. Minnesota and New York speak of arrest in their private-person statutes and of detention in their retail statutes. North Carolina permits detention and withholds arrest. Florida protects a merchant's detention of a suspected shoplifter. A guard who learned "citizen's arrest" in one state can be wrong in the next.

How sure the guard must be. New York's private-person arrest ties the power to what actually happened: the offense must have been "in fact committed." Its retail detention rule asks only for reasonable grounds, exercised in a reasonable manner and for a reasonable time. For a shoplifting detention the standard is reasonable grounds; the "in fact committed" standard governs private-person arrest. A lawyer should confirm either for any real case.

Whether the guard must have seen it. North Carolina's training material explains that "in the guard's presence" means the guard actually saw it happen. A coworker's report does not meet that test.

Who the rule names. Minnesota's retail rule names a merchant or employee, and New York's names a retail owner, employee or agent. Florida's detention clause, (3)(a), speaks of a merchant; employees appear in the liability protection of (3)(c). A guard employed by a security company, not by the store, should confirm that the merchant provision reaches them.

How long. As of November 2026, Minnesota's retail rule sets a maximum of one hour unless police are taking custody (629.366). North Carolina requires a guard who detains someone to notify law enforcement immediately, and the detention lasts only until the guard determines that no offense occurred or hands the person to an officer. Florida allows a reasonable length of time.

These four states are examples, not a national picture. Your state may use a different model.

A guard can be fired for a detention the law allows, because employer and client rules can be stricter than the statute and are enforced through employment, not the courts.

On January 11, 2019, a Best Buy guard in Roseville, California, tackled a man wanted on a felony warrant who had punched a detective and tried to flee in the parking lot. The guard was fired about a week later. Best Buy's stated policy was that "employees are not to chase potential criminals outside of the store" (Fox News). It is one case, but it shows the gap between what is legal and what a post allows.

North Carolina's own guard training says the same thing in general terms: "There may be employee and client policies that may dictate the guard's options" (NC Department of Public Safety). That material also sets limits that apply on top of any detention:

• A guard should avoid force if at all possible.
• Deadly force cannot be used for detention unless the person presents an imminent threat of death or serious physical injury.
• A guard has no general authority to search. A search is lawful with the person's permission, and otherwise the guard's course is to contact law enforcement.

Our recommendation: get your post orders in writing and read them before your first shift. If they say "observe and report," that is the order, whatever the statute would permit. Where the statute and the post orders both leave a question open, call law enforcement and write down what you saw. Our Security Guard Code of Ethics page covers the hard cases where authority and duty pull apart.

States set their own training, so the arrest and force instruction a guard receives depends on where the guard works. Two regulators show the range, as of November 2026.

• California. The Bureau of Security and Investigative Services requires Power to Arrest (3 hours) and Appropriate Use of Force (5 hours), 8 hours in total. Trainees must take and pass an examination with a score of 100%, using the Department of Consumer Affairs manual dated July 2023 (BSIS).
• North Carolina. The Private Protective Services Board's basic guard training includes a 3-hour legal block. It covers legal terms, how to respond to a crime, the use of force continuum (a ladder of force levels from the guard's presence and spoken commands up to deadly force) and searches. The material was last revised in January 2026 (NC Department of Public Safety).

Nationally, the Bureau of Labor Statistics reports that most states require guards to be licensed by the state where they work. It also reports that states commonly recommend about 8 hours of pre-assignment training, 8 to 16 hours of on-the-job training and 8 hours of annual training (BLS, last modified August 27, 2026).

A course completion certificate is not a guard license; the state regulator issues the license. Our pages on matching online security guard training to your state and role and what private security officer training you need explain how to confirm that a course counts.

A guard can check detention authority by running six tests against the written sources, each with a clear pass or fail. If any test fails, treat your authority as unconfirmed and default to observing, recording and calling law enforcement. That default is our recommendation.

Which legal model does my state use?

Open your legislature's statute site and the guard training manual from your state regulator. Look for "arrest by private person" and for merchant or shoplifting detention provisions. Pass: you can write down the section number and a one-sentence rule for each. Fail: all you have is a summary from someone else.

Do I have to have seen the offense myself?

Find the words "in presence" or "in view" in the statute. Pass: you can say whether your usual situations meet them. Fail: you would act on a coworker's or customer's report.

What standard must I meet?

Name the standard your statute uses: "in fact committed," "reasonable cause," "reasonable grounds" or "probable cause." Pass: you can say in one sentence what you would have to see. Fail: your answer is "I'd know it when I saw it."

Does the rule cover someone in my job?

Check whether the text says "private person," "any person," "merchant" or "employee." Pass: the wording clearly covers your employer type. Fail: it names merchants and you work for a security contractor, and you have not confirmed coverage.

What do my written post orders let me do?

Read the orders for the site. Pass: they state in writing whether you observe and report, detain or call police. Fail: you have only verbal instructions.

Does my training record cover this?

Compare your certificate with your regulator's requirement. Pass: it lists arrest and force subjects with hours that match. Fail: it lists no subjects, or fewer hours than required.

We teach this by state, because the rule is set by state. Choose the course that matches where you will work, and confirm with your state regulator that it satisfies your requirement. These are our prices as of November 2026, all self-paced:

• 224. Ethics - Security Guards, $40. Two hours, 35 lessons in 5 chapters. Topics include legal compliance, authority versus power and appropriate use of force. The course page lists Georgia and North Carolina.
• 203. Minnesota Pre-Assignment Course for Protective Agents, $185. Twelve hours. It covers criminal law versus civil law and arrest procedures and self-defense. It meets the pre-assignment training requirement of the Minnesota Private Detective and Protective Agent Services Board.
• 201. Georgia Basic Security Officer Course – 24 hours, $65. Twenty-four hours, approved by the Georgia Board of Private Detective and Security Agencies. Its topics include de-escalation and security officer duties and responsibilities.

Questions about which course fits your state can go to (832) 922-1215 or (706) 268-2221, Monday to Friday, 9:00 AM to 6:00 PM Eastern. Choose by state in our Private Security courses.