Pedro Collor de Mello
Pedro Affonso Collor de Melo was the brother of former Brazilian president Fernando Collor. Working for the Collor family's newspaper Gazeta de Alagoas, Pedro Collor gained prominence when he made a series of accusations against his brother, who was then president. The allegations include corruption, and drug use. Pedro Collor's revelations helped precipitate his brother's downfall in 1992. Pedro Collor died of brain cancer in 1994.