Considering the riots were because he was fired and not because he attacked little kids I can well imagine the response when anyone tried to report this.
For sure, the mother probably was afraid of retribution from the high & mighty University if she & her young son reported such an event. That prevents alot of victims from reporting these things. They are usually up against someone more powerful than themselves, as perps like this usually prey on kids from less fortunate circumstances!
Actually, the Harrisburg Patriot reported on the key details of the GJ investigation of Sandusky last March; it was not picked up by the national news or sports media (other than Mark Madden) and they received numerous complaints about slurring the wonderful PS football program in general and Sandusky in particular.