This week, a human rights group in Argentina said a man who disappeared more than 40 years ago under the country’s military dictatorship had been identified and reunited with his sister. But there are concerns that the current government is reversing longstanding policy to continue searching for tens of thousands of citizens who were abducted. Special correspondent Kira Kay reports. PBS News is supported by - https://www.pbs.org/newshour/about/funders