His gang, based in the northern city of Gonaïves, was called the "Cannibal Army".
Although he had once worked for Haitian President Jean-Bertrand Aristide[citation needed] to put pressure on his political opposition, the government arrested him for arson on May 21, 2002, after pressure from the U.S. government for his acts of violence towards political parties.
He was, however, freed from jail by members of his gang in August 2002 and proceeded to lead anti-government riots.
[1] He was found murdered in September 2003, his body dumped in the bushes, with his heart, liver and eyes missing.
[2] In March 2004, following a successful rebellion against Aristide in February (of which Buteur Métayer, Amio's brother, was a leader), newly appointed Haitian prime minister Gérard Latortue visited Gonaïves and paid tribute to Métayer, calling for a moment of silence to remember him.