Aquilino Quilinging Pimentel Jr., commonly known as Nene Pimentel, was a Filipino politician and human rights lawyer who was one of the leading political opposition leaders during the regime of Ferdinand Marcos from the declaration of martial law in 1972 until the People Power Revolution in 1986, which removed Marcos from power. He co-founded the Partido Demokratiko Pilipino–Lakas ng Bayan (PDP–Laban) and served as the President of the Senate of the Philippines from 2000 to 2001. He is the father of incumbent senator and former Senate President Aquilino Pimentel III. In 2018, Pimentel was identified by the Human Rights Victims' Claims Board as a Motu Proprio human rights violations victim of the Martial Law Era.

Ferdinand Emmanuel Edralin Marcos Sr. was a Filipino politician, lawyer, dictator, and kleptocrat who served as the tenth president of the Philippines from 1965 to 1986. He ruled under martial law from 1972 until 1981 and kept most of his martial law powers until he was deposed in 1986, branding his rule as "constitutional authoritarianism" under his Kilusang Bagong Lipunan. One of the most controversial leaders of the 20th century, Marcos's rule was infamous for its corruption, extravagance, and brutality.