Jerry Sandusky says he's innocent but admits contact with kids

http://aol.sportingnews.com/ncaa-football/story/2011-11-14/jerry-sandusky-says-hes-innocent-but-admits-contact-with-kids?icid=maing-grid7%7Cmain5%7Cdl1%7Csec1_lnk2%7C112529#ixzz1djzyG2BM

This is what I don't understand why was he able to get away with this for so long?  Feedback the school should be sued for this act as well by not screening employes more careful!!!!!