>Current time.
>Douse the building behind us for unusual concentrations of monies, or breaches in the superstructure of the building.
>Probably around 5 PM.
>You dowse the customs office for both money and conspicuous holes. The latter is a little hard to determine without care; at first brush, windows can feel somewhat similar, and it takes time and precision to distinguish them properly, particularly if a window is open. All the rooms and corridors in the way of other side of the building aren't helping much, either. Your senses and tools are not nearly precise enough to provide a detailed floor plan merely by pointing them at something and it's very hard to sift all the alternating layers of stone and space apart. A man exits the building while you're working at this. With what senses you have to spare, you catch him give you a curious look, but he moves on without saying anything. A tall brown-haired woman passes by shortly thereafter, with a similar reaction. After some time, you reach the conclusion that while you can't necessarily rule
out a hole in a wall that shouldn't be there, you also aren't finding any convincing evidence that there
is one.
>On the monetary front, there are different complications. Finding coinage itself is relatively simple compared to the previous task, provided it's gathered in sufficient quantities; the precious metals involved in it are less liable to be scattered throughout the building in other forms. There are indeed a couple moderately-sized concentrations of money within the building. However, you honestly don't know quite what would quality as an
unusual concentration of money for a building that deals in expensive permits on a daily basis. What you can detect inside is certainly more than you would expect an average person to be hauling around, but you think it would be more surprising if it
wasn't.