INVESTIGATING THE MAKATI PARKING BUILDING: Senator Antonio Trillanes IV (left), Majority Leader Alan Peter Cayetano (right) and Senator Aquilino “Koko” Pimentel III (center), who heads the Senate Blue Ribbon Sub-Committee investigating the alleged overpriced Makati City Hall parking building, listen to Commission on Audit (COA) Commissioner Heidi Mendoza as she discusses the alleged loopholes in the procurement process of building materials during a public hearing Thursday, October 2, 2014. The Senate resumed its investigation without Vice President Jejomar Binay and his son, Makati City Mayor Jejomar Erwin “Junjun” Binay. (PRIB Photo by Joseph Vidal/02 October 2014)