Well, the detective doing the investigation said this:
"At the very minimum, there was enough evidence for some charges, like corruption of minors," Mr. Schreffler said on Wednesday,
Read more:
http://postgazette.com/pg/11352/1197680-454.stm#ixzz1h80kA8kk
Lauro indicated that he made his decision after RFG made the decision not to prosecute:
‘There’s nothing to it — we’re going to close our case.’ And I [Lauro] said, ‘That’s fine, I’m going to close my case, too.”2
http://www.pennlive.com/midstate/index.ssf/2011/11/who_knew_what_about_jerry_sand.html
Now, I'm not defending Lauro's decision at all, but it looks like RFG made his decision prior to Lauro's decision. Lauro has said that he wasn't influenced by RFG's decision.
We
do know that another prosecutor looked at the same evidence, and didn't have access to one witness, and is prosecuting. We also
do know that the probable cause to prosecute was there, that minimum threshold, to try Sandusky. His attorney did not challenge it.
If RG were here, and knew what we know now, it is highly likely that
he would be the first one to regret not doing more or going forward. These judgments are made every day by local police officers, magistrates, child welfare workers, prosecutors, and judges, who have to make judgments about what cases to bring.