In 2004, he became internationally noted as an opponent of the interim government of Prime Minister Gérard Latortue following the overthrow of the government of Jean-Bertrand Aristide in the 2004 Haitian coup d'état. He was arrested twice for his political work, leading Amnesty International to designate him a prisoner of conscience. In his obituary, the Associated Press described him as being "often considered the Martin Luther King Jr. of Haiti".