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Preventing shoplifting: what a store detective does

A tag on the item rarely stops someone who steals on purpose. We show how observation, training and clear procedures work together on the shop floor.

Preventing shoplifting: what a store detective does

Preventing shoplifting: what really works in retail

You prevent shoplifting most reliably with a clear shop floor, trained staff and the observation of a store detective. A single technology is rarely enough, because offenders quickly learn where the gaps are.

A store detective works in plain clothes and blends into the sales area instead of standing at the entrance. This lets them spot patterns that a uniformed officer would miss, such as repeated visits, repacking of goods or a route that always avoids the cameras.

The observation runs throughout the whole opening time and not only at peak hours. In quiet phases a theft is less noticeable, and that is exactly why it happens then.

You can check these points in any shop yourself:

  • High-priced and small items are in view of the checkout or behind glass.
  • Shelves are low or open enough that nobody can disappear behind them.
  • Fitting rooms and back rooms are visible and checked on a regular basis.
  • At peak times the checkout is not the only staffed spot on the shop floor.

The losses often do not come from customers at all, because delivery discrepancies, booking errors and employee theft also show up in stocktaking as shrinkage. Before you invest in technology, it is therefore worth looking at where the goods actually disappear.

What may you do if you catch a shoplifter?

Anyone who catches a thief in the act may detain them temporarily under narrow conditions, and this is governed by the right of every citizen in § 127 StPO. It applies, for example, if the person tries to flee or their identity cannot be established. Detaining someone without these conditions can become a liability risk for the retailer.

The right of the house owner matters as well, because you may decide who enters your shop and issue a ban to a thief you have caught. The ban only applies once it has been communicated to the person, so you should note when and how that happened.

For detectives and security staff the same law applies as for anyone else, because they have no police powers. Anyone who guards commercially also needs the permit under § 34a GewO. For video surveillance, data protection laws such as GDPR and BDSG set narrow limits, for example on signage and the storage period.

A good procedure records every step in writing, from the observation through the approach to the handover to the police. This documentation protects the retailer and the person concerned from accusations that can no longer be clarified later. A free consultation clarifies this for your shop. Please note that this is not legal advice and that you should ask a lawyer about individual cases.

Working with the staff, not around them

The team at the checkout and on the floor is your earliest warning level if it knows what to report. A detective does not replace this team, they complement it.

In a short briefing the detective clarifies with your staff which observations matter and what colleagues had better not handle themselves. Nobody should approach a suspect alone or even follow them. Instead there is a fixed signal the staff use to call the detective.

This training has to be repeated, because checkout staff change frequently, and anyone new to the team should learn in the first week how the reporting chain works. Short refreshers keep the knowledge current without holding up business.

The case where goods disappear from the inside belongs in this conversation too. Suspicion against employees follows different rules than with customers, for example in labour and data protection law. So management should lead the investigation and not the checkout.

After each deployment you receive a report that shows on which days and at which shelves incidents stand out. With this information you can adjust product placement and staffing in a targeted way.

When is a store detective worth it, even for small shops?

A store detective is worth it as soon as the shrinkage clearly exceeds what you plan for as business risk and you cannot narrow down the cause. This also applies to small shops, because what matters is not the size of the floor but whether you know where and when goods are missing.

A deployment does not have to be permanent. Many retailers start with targeted deployments at certain times or in one department. After that they evaluate the report and decide whether a regular service makes sense. The approach at ESG follows the usual sequence of risk analysis, strategy, deployment with monitoring and subsequent optimisation. Our IHK-certified staff can be reached around the clock.

In shopping centres the mall guards coordinate between several tenants, so that an incident in one shop goes immediately to the neighbours and the centre management. This creates a shared picture of the situation that individual shops cannot build alone. You can find more under mall guard.

If it is about the time after closing, such as burglary and empty premises, property protection with patrols helps. Which solution suits your shop, we clarify in a conversation. The consultation is free and non-binding.

Legal basis: § 127 StPO (provisional arrest), § 34a GewO (guarding trade), right of the house owner, GDPR and BDSG (video surveillance)

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