US launches major probe into H-1B visa 'fraud'The United States on Wednesday launched a major investigation into alleged H-1B visa fraud, with IT services firm Cognizant among the companies under scrutiny."This is another example where fraud is fueling violent crime," FOX Business quoted labor department inspector general Anthony D'Esposito saying."Much of the visa and the human trafficking that we see when it comes to this foreign labor is tied to cartels, is tied to transnational gangs, and this is the work that we should be doing, not only to make America safe again, but to make America more affordable again," he added.The H-1B is a non-immigrant work visa that enables US employers to hire highly skilled foreign professionals in specialised occupations. It is initially valid for three y