It's fairly clear the federal investigation into Penn State University won't be a duplication of the grand jury probe that led to charges of more than 50 counts of child sex abuse against Jerry Sandusky.

Instead, federal authorities seem to be stepping into areas where the state attorney general's office hasn't gone.

This time, they seem to be exploring the possibility of a cover-up at Penn State, as well as possible bribes, fraud, or misuse of federal money, according to three former federal prosecutors asked to independently review the subpoena Penn State received February 2.