Indeed, Hannibal knows that there is a grocers two blocks to the west, a produce stand three blocks to the south, a tailors another block further south, even a florists to the west. He knows where the cafes and restaurants are, how each is rated, and even what their signature dishes are. He also has mapped out in his mind at least three escape routes, should they become necessary, as well as two modes of entry that would be out of sight, should they need to get to their apartment with, say, certain ingredients in hand.

"There is a chemists nearby. It should suit our needs." He makes a mental note to also visit a nearby hardware store and make a duplicate of the apartment key for Will. He holds the only key, and had not expected to need another, since being the sole key holder was a position of power he thought it important to reserve, if Will (or Dr. DuMaurier) had accompanied him under some measure of manipulation.