Probably no longer relevant, but they deserved a ceiling tile all their own because they were mysterious. Had they simply arranged for Ivanov to drive those two vans through security and then forgotten about him, moving on to other corrupt activities? Or were they now actively paying attention to Ivanov and his crew, worrying about Ivanov? Because if these faceless, nameless Chinese were worried about Ivanov, then they would soon have plenty to worry about; and if they became sufficiently worried, there might be some effort to liquidate Ivanov and everyone with him. Since Sokolov knew nothing of how Ivanov had managed all this, there seemed little he could do about it other than make certain that their activities remained innocuous for as long as possible. The very strangeness of their errand would be enormously helpful in that regard. Speaking of which...