Ombudsman

Ombudsman is responsible for investigating and prosecuting Philippine government official.

http://www.ombudsman.gov.ph/about-us/present-ombudsman/

List of Previous Ombudsman
http://www.ombudsman.gov.ph/about-us/previous-ombudsmen/
 * Conrado Vasquez
 * Aniano Desierto
 * Simeon Marcelo
 * Ma. Merceditas Gutierrez
 * Conchita Carpio-Morales
 * Samuel Martires

List of Ombudsman Cases
Emilio A. Gonzales III vs Office of the President of the Philippines et al. G.R. No. 196231. September 4, 2012 Ombudsman Constitutionality