He became politically active in the late 1960s when he was a student at Alberto Masferrer School, but he was not part of any political organization until he was introduced to the Unified Popular Action Front (FUAR or Frente Unido de Accion Revolucionaria).
Ia menjadi aktif secara politik pada akhir 1960-an ketika ia masih menjadi mahasiswa di Alberto Masferrer School, tapi dia bukan bagian dari organisasi politik sampai ia diperkenalkan kepada Front Aksi Populer Bersatu (FUAR atau Frente Unido de Accion Revolucionaria).