 Estrada's son, Jinggoy Estrada, an incumbent senator, and Edward Serapio, his personal lawyer, were his co-accused.Also charged were Charlie Ang, Yolanda Ricaforte, Alma Alfaro, Eleuterio Tan, Delia Rajas, and Jaime Dichaves, who was later added.The plunder charge was based upon a complaint filed before the ombudsman by Dante Jimenez, human rights lawyer Romeo Capulong, trial lawyer Leonard de Vera, 1971 Constitutional Convention delegate Ramon A. Gonzales, lawyers Antonio T. Carpio and Dennis B. Funa.