Much of the fraud I have found among visa holders is the inability to document degrees and experience from overseas. References just ring to an empty number or sound canned. No contact for companies. You can’t get transcripts of Master’s degrees from foreign universities. We quit sponsoring people because they leave as soon as they get the card.
That is part of the Visa body shop con.
I don’t know if the Cognizant lawsuit got into that part of it but they did lose the lawsuit against them.