There are “more than 9,000 schools on the government approved list,” and many of the for-profit schools may be in the business of profiting off of visas.
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According to an ABC News investigation, “58,000 students overstayed their visas in the past year. Of those, 6,000 were referred to agents for follow-up because they were determined to be of heightened concern.” ABC found that “the number of foreign nationals obtaining visas to study in the U.S. has grown from 662,966 in 2003 to more than 1.2 million in 2012.”

Peter Edge, “the U.S. Immigration and Customs Enforcement official who oversees investigations into visa violators,” told ABC News that some of the foreign nationals “could be here to do us harm” and his “greatest concern is that they could be doing anything.”