Fionnuala Ní Aoláin's visit marks the first time a US president has allowed an independent investigator inside the detention center.Lucas Jackson/Reuters An independent UN investigator visited the Guantánamo Bay prison for the first time in February. She found those detained faced "deep and profound despair" and inhumane treatment. She has since called on the US to provide torture rehabilitation and educational resources. Fionnuala Ní Aoláin — a human rights investigator with the United Nations — became the first person authorized by an American president to visit the US detention center at Guantánamo Bay.She has now released her findings in a report released last month.