WILLY FRED U. BEGAY, PETITIONER, VS. OFFICE OF THE SPECIAL INVESTIGATION - BANGKO SENTRAL NG PILIPINAS, RURAL BANK OF SAN LUIS (PAMP), INC., RODOLFO N. REYES, DAVID C. JINGCO, JR., MARGARITO P. GUZMAN, RESTITUTO M. DAVID, FEDERICO S. TOLENTINO, JR., AMELIA T. HAMBRE, MA. MARGARITA M. VICENCIO, AND MARIA RUBINA B. MAG LANGUE,* RESPONDENTS