If you manage a property or run a business in Nashville, you have probably wondered exactly how much authority the officer at your front gate really has. Can they detain a shoplifter? Physically remove a trespasser? Make an arrest? This guide walks through what Tennessee law actually says, so you know what a professional guard can do for your property and where the legal lines sit.
Start Here: Security Guards Are Not Police
The single most important thing to understand is that a private security officer in Tennessee has no police powers. The Tennessee Attorney General addressed this directly in Opinion 04-006, concluding that private security officers hold the same arrest authority as any private citizen, no more and no less.
That is not a weakness. It is the framework the entire industry operates within, and a well trained officer knows how to work inside it effectively. Guards are regulated under the Private Protective Services Licensing and Regulatory Act (Tennessee Code Annotated Title 62, Chapter 35), administered by the Tennessee Department of Commerce and Insurance. The uniform, the training, and the registration card all exist inside that framework. The badge is not a police badge, and reputable companies never pretend otherwise.
So what can a guard legally do? Quite a lot, as it turns out.
What Tennessee Law Allows a Security Officer to Do
Make a citizen’s arrest in limited situations
Under TCA 40-7-109, a private person, which includes a security officer, may arrest someone in three situations:
- A public offense is committed in the officer’s presence
- The person has committed a felony, even if not in the officer’s presence
- A felony has been committed and the officer has reasonable cause to believe the person being arrested committed it
In practice, professional officers use this authority sparingly. The standard play is to observe, document, and hold the scene for Metro Nashville Police or the local department, not to play cop. An officer who witnesses a break-in at a Rivergate warehouse can lawfully stop the suspect from leaving, but the goal is always a clean handoff to law enforcement, not a confrontation.
Detain suspected shoplifters
Tennessee has a merchant detention statute, TCA 40-7-116, sometimes called the shopkeeper’s privilege. A merchant, or a security officer working for one, who has reasonable suspicion that someone has taken merchandise may detain that person, provided the detention is conducted in a reasonable manner and lasts only a reasonable time. The statute spells out what the detention is for: asking questions, verifying identification, summoning police, notifying a minor’s parents, and initiating charges.
The two words that matter most are “reasonable” and “reasonable.” A loss prevention officer who walks a suspect to the office, calls the police, and waits is inside the statute. One who holds someone for two hours or gets physical without cause is exposing the business to a lawsuit. This is exactly why trained, licensed officers are worth paying for in retail settings.
Enforce trespass rules on your property
Criminal trespass in Tennessee (TCA 39-14-405) is a Class C misdemeanor, and it covers anyone who enters or remains on property without the owner’s consent. As the property owner’s agent, a security officer can tell someone to leave, and refusing that instruction removes the trespasser’s main legal defenses.
Notice matters here. Tennessee recognizes posted signs at major entry points, personal communication, and even the purple paint rule, where vertical purple stripes at least eight inches long, placed three to five feet off the ground at entry points alongside at least one explanatory sign, serve as legal notice on land. For commercial properties that are open to the public, consent to enter is presumed during business hours, which is why the officer’s verbal instruction to leave carries real legal weight. Once someone has been told to go and stays, the officer has grounds to involve police.
Use reasonable force in the right circumstances
A guard can defend themselves or others exactly as any Tennessee citizen can, and the merchant detention statute permits proportionate force to prevent a theft suspect’s escape or to protect property during a lawful detention. What the law never permits is force as punishment, force out of anger, or force that outruns the situation. Sixteen hours of state mandated firearms training for armed officers includes instruction on Tennessee’s self defense laws for precisely this reason.
What a Security Officer Cannot Do
Knowing the limits is just as useful when you are deciding what to expect from a security vendor:
- Compel a search. An officer can ask to look in a bag. Absent a lawful detention under the merchant statute, they cannot force it.
- Carry a firearm without an armed registration. Unarmed and armed officers hold different registrations with different training requirements. An unarmed officer carrying a weapon on post is breaking the law, full stop.
- Hold someone indefinitely. Detention that stretches past its lawful purpose becomes false imprisonment.
- Pull vehicles over on public roads. A guard’s authority is tied to the property they protect.
- Act as police. No citations, no warrants, no pretending. Impersonating an officer is its own criminal offense.
Why This Matters When You Hire
Every registered officer in Tennessee has passed a TBI and FBI background check. Unarmed officers complete state required pre-assignment training; armed officers complete 16 hours of firearms instruction and must requalify on a two year renewal cycle. Providing guard services without a license is a Class A misdemeanor carrying fines up to $2,500 per violation.
That is the floor the state sets. The difference between the floor and a professional operation is supervision, documentation, and judgment. When our officers detain a shoplifter at a Middle Tennessee retail center, there is a report, a supervisor in the loop, and 24/7 local dispatch behind them. That discipline is what keeps a routine incident from becoming a liability problem for the client. It is also why we carry $5 million in general liability coverage per occurrence. Companies confident in their training can stand behind it.
Before you sign with any provider, verify their license through the Tennessee Department of Commerce and Insurance’s online verification portal. It takes two minutes and tells you immediately whether you are dealing with a legitimate operation.
Frequently Asked Questions
Can a security guard in Tennessee arrest someone? Yes, under the same citizen’s arrest statute that applies to any private person: for a public offense committed in their presence, or for a felony. Professional officers use this authority rarely and hand off to police quickly.
Can a guard physically stop a shoplifter? Yes. TCA 40-7-116 allows a merchant’s officer to detain a suspected shoplifter with reasonable suspicion, in a reasonable manner, for a reasonable time, including using proportionate force to prevent escape.
Do Tennessee security guards need a license to carry a gun? Yes. Armed officers must hold an armed registration, which requires state mandated firearms training, a qualification test, and regular requalification. A handgun carry permit alone is not sufficient to work armed security.
Can a guard make someone leave my property? Yes. As your agent, an officer can revoke a visitor’s permission to be on the property. Someone who refuses to leave is committing criminal trespass, a Class C misdemeanor, and police can be called to charge them.
The Bottom Line
Tennessee gives licensed security officers real, usable authority: detention of theft suspects, trespass enforcement, citizen’s arrest, and lawful defensive force. The value of a professional service is knowing exactly where those lines are and never crossing them. If your property needs officers who are trained on Tennessee law and backed by local supervision, take a look at our armed guard services or call (615) 656-3300 for a free quote. We have been locally owned and answering that phone since 2010.

