People will take you more seriously if you know the foundational literature. There is plenty more...shout out here if you need it.
The classic Bridgepoint report to the United States Senate http://www.help.senate.gov/imo/media/for_profit_report/PartII/Bridgepoint.pdf
The Failure to Safeguard Federal Investment and Ensure Student Success http://www.help.senate.gov/imo/media/for_profit_report/Contents.pdf
Soundbytes from Senator Durbin
https://www.youtube.com/watch?v=WuSslCrC_P0&noredirect=1