There are ways of indirectly collecting the information from the clients, without making them decipher that you are looking to find out their true identity.
N'ihi ya, enwere ụzọ isi na-enweta ozi ahụ site na ndị ahịa, n'ebughị ụzọ nye ha uche na ị na-agbalị ịchọta amata ha n'ezie.