Final answer:
Leslie White is most likely looking for a scheme called Fictitious refunds, where employees create fake refunds to steal money from the company.
Step-by-step explanation:
Leslie White, CFE, is most likely looking for a scheme known as Fictitious refunds. This scheme involves employees creating fake refunds to steal money from the company. By running a test to search for customer sales and refunds that occurred on the same day, Leslie is likely trying to identify any suspicious refund transactions. Additionally, summarizing refunds by employee and extracting the names of employees who can post both refunds and inventory adjustments can help Leslie pinpoint any individuals who may be involved in this scheme.