Striding quickly through the service door and into the parking courtyard, Anselme arrived just in time to spot a sleek silver Audi sedan slide over the low curb and disappear onto Rue Nicolaus Copernicus. He pulled his phone from his pocket, cycled his VPN, and sent Ford a message, “I forgot my umbrella.”

Heading back inside, he descended the stairs to the parking sub-level. He waited under the bottom flight until he heard a car pull up and make the sound of a revving internal combustion engine three times before exiting the stairwell and opening the door of a steel…