Two former high-level Penn State administrators pleaded guilty Monday to misdemeanor charges of child endangerment, for their roles in covering up child sex abuse by disgraced assistant football coach Jerry Sandusky. Former Vice President Gary Schultz and former Athletic Director Tim Curley each took a plea bargain that - if accepted by the judge - will carry a penalty of up to five years in prison and a $10,000 fine. As part of the plea bargain, the felony charges they originally faced were reduced to misdemeanors. The pleas also open the possibility they may testify against former university President Graham Spanier ... who has been charged with a conspiracy felony and a child endangerment misdemeanor. The charges against all three men pertain to how they handled the multiple allegations of sexual abuse against Sandusky, who in 2012 was convicted of sexually abusing 10 boys over a 15-year span. "Prosecutors said Spanier, Curley and Schultz knew of complaints involving Sandusky showering with boys in 1998 and 2001," The Associated Press reported in 2012. A series of 2001 emails - now key to the government's case - show that the men at least considered the situation serious enough to possibly warrant police intervention. They ultimately rejected the idea of calling authorities. "This was not an oversight," then-Pennsylvania Attorney General Linda Kelly said in 2012. "It was not misjudgment on their part. This was a conspiracy of silence by top officials to actively conceal the truth."