Guatemala has recently arrested several former officials for grave human rights violations during the country's civil war.
Naval authorities have denied detaining José Fortino Martinez but eyewitnesses say they saw official vehicles carrying him to the gates of a nearby military base.
Guatemala's authorities are called on to fully investigate alleged political killings ahead of September's elections.
A prominent human rights lawyer appeals a jail sentence for his role in a demonstration for land reform in Brazil.
Mental disability concerns and questions over possible racial discrimination lead to a call for clemency in a pending death sentence case.
European countries are pressed to extradite or prosecute Guatemalan former officials over alleged human rights abuses.
Authorities do little to protect rural workers in Brazil who face ongoing intimidation by hired gunmen.
Members of an Indigenous community in north-western Argentina battle repeated attempts to forcibly evict them from their homes.
Brazil should have consulted with Indigenous Peoples before approving construction of a megadam on their land in the Amazon.
Impunity abounds in Aragua, Venezuela, as local police officers are suspected of killing seven members of one family
The killing of a prominent Guatemalan trade unionist has raised fears for the safety of workers rights activists in the country.
Indigenous families in Panama are at risk of being flooded out of their homes as a dam nears completion.
The mother of Sheldon Gary Davis tells how he was killed by Jamaican security forces while in their custody, during the 2010 state of emergency.
Following a dramatic 49-49 vote Uruguay's Parliament has failed to annul the effects of a controversial 1986 amnesty law.
US president Barack Obama urged to use his speech on the Middle East to commit to the pursuit of a more even-handed approach to Arab states, with human rights at its heart.
An independent and transparent investigation is needed into a new detainee death in the Guantánamo detention camp
The discovery of 513 migrants being smuggled through Mexico in squalid conditions highlights the vulnerability faced by thousands.
Amnesty International's annual report details how the rise of social media is fuelling a new activism that repressive governments are struggling to control.
As Amnesty International launches its annual report, we speak to five key human rights activists.