For context and to get this thread back on topic, here are the two NCAA statements about it's investigations into the programs in question:
http://www.ncaa.org/wps/wcm/connect/...+investigationOriginally Posted by NCAA statement on ending of "Camgate";
Basically the NCAA indicated that given the lack of any credible information regarding allegations despite its extensive investigation of Cam's recruitment, the NCAA could not in good faith continue. This was an exoneration not a "we just couldn't get them this time" statement.
http://www.ncaa.org/wps/wcm/connect/...ules+decisionsOriginally Posted by Ohio State cited for failure to monitor, receives postseason ban
This investigation turned out differently. Below is a 35 page pdf further explaining the specifics of the NCAA evidence.