Field Report: When Store-Level Detection Disrupts a Larger Counterfeit Operation

Counterfeit detection at the register can do more than prevent one bad transaction.

A recent case in Livermore, California shows why.

On September 4, security personnel at an outlet center contacted police after two individuals allegedly passed counterfeit currency at several stores.

Security followed the individuals to a nearby hotel and provided that location to responding officers.

According to Livermore Police, the investigation ultimately led to seven arrests. Searches of hotel rooms uncovered equipment and materials allegedly being used to manufacture counterfeit currency.

Investigators said the group was producing counterfeit $50 and $100 bills and intended to use them at stores in the outlet center.

There is an important cash-handling lesson here.

A business that identifies suspicious currency should not think only about the single note in front of the cashier.

Useful information can include:

• denomination,
• transaction time,
• register/location,
• description of the individual,
• surveillance footage,
• whether similar notes were encountered elsewhere,
• and the procedure used to escalate the incident.

That information can help reveal whether an isolated counterfeit is actually part of a broader pattern.

Authentication therefore has two roles:

prevent the immediate loss, and preserve information that may help identify repeat activity.

Good counterfeit procedures should address both.

Source: Livermore Police Department, September 9, 2026.

Discussion: When suspicious currency is found at your business, does the process end with the individual bill, or is the incident documented so patterns can be identified later?