Our sources say that charges would likely be similar to the "failure to report" accusation facing Tim Curley and Gary Schultz.
Prosecutors say the two former Penn State administrators lied to the state grand jury investigating the Sandusky case.
Spanier is suing the university to get emails from when he was president. He wants the messages before he meets with a the Freeh group, which has been conducting the internal investigation of Penn State.
People close to the inquiry say emails may show that Spanier decided not to report matters of the Sandusky scandal.