She was involved with Peru's Truth and Reconciliation Commission which looked at crimes and their victims of the 1980s and ‘90s. She went on to work in Columbia in the 2010s to establish peace between a revolutionary group and the government.[5]
In 2024 she was one of many UN Special Rapporteurs who signed an open letter to the "International community" on the third anniversary of the Taliban taking change in Afghanistan. They were concerned that the regime's human-rights abuses particularly against women and girls may become accepted. They encouraged the International Criminal Court to take urgent action against those responsible.[6]
United Nations special rapporteurs bear mandates from the United Nations Human Rights Council and may hold the titles special rapporteur, independent expert or special representative of the Secretary-General, and are also referred to simply as mandate-holders.