He was also responsible for Republic Act 9048 aimed at correcting clerical and typographical errors in an entry in personal legal documents as the city or municipality civil register level. During the impeachment trial of former President Estrada, he was one of the ten Senator-Judges who voted for the opening of the second envelope, an event that triggered People Power II, which eventually led to the ousting of the former president. He is the Chair of the Senate Committee on Education, Arts and Culture, and the Senate Committee on Energy for the 12th Congress. Cayetano peacefully died from the complications of abdominal cancer on June 25, 2003, at his home in Ayala Alabang, Muntinlupa City. He is buried in his hometown of Pateros. On 2005, the school "Senator Renato "Companero" Cayetano Memorial Science and Technology High School" was built in memory of him. A strong adherent of family values, Rene Cayetano was married to Sandra Schramm of Ann Arbor, Michigan, US They had four children: