Even assuming that many tenants will lie, you can ask the landlord or the broker. Now it gives them a harder choice: instead of not telling you they have to lie

Even assuming that many tenants will lie, you can ask the landlord or the broker. Now it gives them a harder choice: instead of not telling you they have to lie. Quite an improvement, IMHO. Also, many things can be checked even without asking if you know what to look for.