"Corinthian has also been subpoenaed for violating the 90/10 rule, an ED requirement that for-profit colleges get no more than 90% of their revenue from federal student aid programs.
The biggest threat, however, may be to its accreditation."
Durbin, one of the Senate's most vociferous critics of for-profit colleges, also demanded that ED investigate Corinthian's marketing practices. A December 16 letter to Department of Education secretary Arne Duncan criticized "their manipulative marketing practices which included a subsidy program for employers to hire graduates temporarily and outright lying by the company through their advertisement of numbers substantially higher than actual job placement rates."
http://www.mainstreet.com/article/moneyinvesting/education-planning/are-colleges-profiting-too-much-debt-saddled-students