What should cashiers do if they witness a customer behaving suspiciously?

When cashiers observe a customer behaving suspiciously, it is essential for them to maintain a safe environment for both themselves and other customers. Discretely informing a supervisor or security is the appropriate course of action because trained personnel are better equipped to handle potential theft or disturbances. This method reduces the likelihood of escalating the situation, as confronting the customer directly could provoke a negative reaction or create further tension. Moreover, ignoring the behavior would not address the potential risk it poses, and asking other customers for their opinions could lead to misunderstandings and additional confusion. By reporting quietly, cashiers can help ensure that any necessary interventions are made professionally and effectively, allowing the situation to be assessed and managed correctly.