6. Pido, a private contractor, was convicted of Plunder in conspiracy with certain government officials. He was sentenced by the Sandiganbayan to serve the penalty of reclusion perpetua. Years later, his childhood friend, Benjamin, was appointed as Secretary of Justice and was able to convince the President to grant Page 3 of 7 Pido a presidential pardon. Both the judgment of conviction and the presidential pardon were silent as to accessory penalties. Now a free man, Pido decided to give back to the community by running for public office as Mayor of his hometown in Bulacan. The incumbent Mayor sought your advice if he can challenge the candidacy of Pido. On what ground/s can the incumbent Mayor challenge the candidacy of Pido? Discuss.