The father has an office in NYC, with a D.C, phone #, he advertises that he can bring in whole families on certain kind of visas ( the kind that are abused...VERY ABUSED, by terrorists ), from Muslim nations; for a PRICE. He's a filthy lawyer, acting like a "coyote".
That’s becoming clear now.
Khan was in the bag, happy to be used. He was high enough up that he might even have volunteered the idea.