In 1982 , Trócaire worker Sally O’Neill and Michael D. Higgins ( later elected President of the Republic of Ireland ) visited El Salvador to investigate the 1981 El Mozote massacre , in which the Salvadoran Army killed more than 800 civilians . In 1984 , Bishop Eamonn Casey , then chairman of Trócaire , refused to meet Ronald Reagan during the president 's visit to Ireland , as a protest against the United States government 's support of the Salvadoran military . O’Neill also worked in Ethiopia during the famine in the mid-1980s and played a central role in Trócaire 's response to the famine in Somalia in the early 1990s
El Mozote massacre
El Mozote massacre
Trócaire