We descended to the basement parking level and got into an utterly ordinary, family-plus road vehicle, with Lincoln providing instructions to the drive unit. Quietly, we joined the river of traffic that flowed outside. Lincoln and I sat in the space at the back in fabulously comfortable seats, eating and drinking from the large picnic box on the floor between us. When we’d finished, I asked a question that had been nagging me. “Surely the security teams know the tipoff is a set-up? Won’t they trace the call and pull the thread right back to you?” Lincoln took a swig from her flask, placed it in the box, and reclined before answering. “They know it’s a CP, so that’s no matter. At least 40% of the calls they get are CPs and at least 80% of the calls that end with a bonus payment are CPs.”

