I think they know who they work for from the very beginning. Why they would help out a bankrupt political system and not cast their lot with the US is beyond me.
One thing that comes to mind is they use family back in China to coerce - blackmail in effect - them.
39 posted on 02/01/2020 10:32:32 AM PST by Rummyfan
(In any war between the civilized man and the savage, support the civilized man. Support Israel.)