The case unfolded after fake Unilever products were discovered in a Shanghai wholesale market and the source was traced with the help of local security officials. Mr. Neely said Unilever’s anticounterfeit team “had suspicions” more former employees have been engaged by local counterfeiters, but it has been unable to prove any wrongdoing. Many counterfeiters mask their operations by making legitimate products. Mr. Neely said it is hard to know whether a former employee is aware ...