khan is the father-in-law of alex van der zwaan who, on 20 february 2018, pleaded guilty to charges raised by the investigation into russian interference in the 2016 united states elections. van der zwaan was charged with lying to the fbi about his contacts with rick gates, and pleaded guilty to one count of making a false statement to investigators. on 3 april 2018, he was sentenced to 30 days in prison and fined $20,000.