How long do businesses keep security camera footage in Tennessee?

There is no Tennessee law requiring a private business to record anything, keep what it records, or give you a copy. Retention is a business decision driven by hard drive capacity, and the practical effect is that the most important evidence in many cases disappears on a schedule nobody involved is watching.

What are the actual retention windows?

The ranges below come from what investigators encounter repeatedly in Middle Tennessee. They are patterns rather than rules, and any individual business may differ:

• 72 hours to 7 days — small independent retail, gas stations, convenience stores, some restaurants. Often a consumer-grade system with a single drive.
• 7 to 14 days — small offices, medical practices, gyms, many bars.
• 14 to 30 days — apartment and condominium complexes, chain retail, hotels, larger restaurants. This is the most common band.
• 30 to 90 days — banks, credit unions, hospitals, corporate campuses, casinos, and businesses with a compliance obligation driving retention.
• Highly variable — municipal cameras, TDOT highway cameras and traffic systems. Some are not recorded at all, only monitored live.

Why does the window matter so much?

Because once footage is overwritten it is gone in a way that no amount of later effort recovers. A preservation request delivered on day five is routine and usually granted. The same request on day forty is a conversation about a file that no longer exists. In practice, this single timing issue decides more cases than any question of legal strategy — the party who moved in the first week has video and the party who waited does not.

How do you actually preserve footage?

In writing, immediately, and to the right person. A written preservation request identifies the date, the time window, the specific camera or area, and asks the business to preserve rather than produce — preservation is a much smaller ask and far more likely to be agreed to without involving a lawyer. It should go to a manager or the registered agent, not to whoever is behind the counter.

A verbal request is close to worthless. Staff turn over, shifts change, and nobody remembers an informal conversation when the drive cycles. Keep proof that you sent it and when.

Can you compel a business to hand footage over?

Preservation and production are different things. A private business can decline to give you a copy, and many will, citing privacy or company policy. Production usually requires a subpoena issued through counsel in a pending matter. This is exactly why preservation comes first: the subpoena can follow weeks later, but only if the footage still exists when it arrives.

What about police-held footage?

If law enforcement collected the video, it becomes part of their case file and is generally obtained through the discovery process in a criminal matter, or through a public records request where an investigation is closed. Do not assume the police collected everything; officers routinely canvass only the obvious cameras, and the one that mattered is frequently the one across the street that nobody asked about.

Who identifies which cameras existed?

This is most of the work. Cameras are easy to miss at street level and easy to identify systematically: doorbell cameras on nearby homes, dashcams in parked vehicles, ATM and drive-through cameras pointed partly at the street, delivery vehicle cameras, and business cameras angled wider than their owners realize. An investigator canvassing within days of an incident routinely finds three or four viewpoints nobody else had looked for.