He travelled to the war-zones and obtained corroborated eyewitness accounts which were passed on to international human rights organisations. He also travelled widely in El Salvador, during its civil war, and Guatemala, too. (His interests in Latin America affairs continued much later with long research trips to Chiapas in Mexico, and along the US-Mexican border concentrating on the city of Juárez.)
He visited conflict zones and collected firsthand accounts from eyewitnesses, which were then shared with international human rights groups. He also traveled extensively throughout El Salvador during its civil war and Guatemala as well. (His interest in Latin American affairs continued for years, with extensive research trips to Chiapas in Mexico, and along the US-Mexican border focusing on the city of Juárez.)