Guillermo Antonio Álvarez

Guillermo Antonio Álvarez, known as 'El Concheto', is an Argentine criminal who gained notoriety for leading a gang responsible for multiple homicides during a series of violent robberies in the 1990s. He was arrested at 18 and has spent nearly three decades in prison, where he has become a controversial figure, engaging in legal battles over his life sentence and prison conditions. Recently, he was in the news for winning a significant ruling from the Inter-American Court of Human Rights, which found the Argentine state guilty of judicial violations in his case, resulting in an awarded compensation.