 In December 2006, 72 officials of the Derg were found guilty of genocide.Thirty-four people were in court, 14 others died during the lengthy process and 25, including Mengistu, were tried "in absentia".There is not much in-depth information available about the revolution, but the book "Peasant Revolution in Ethiopia" by John Young provides detailed information about the revolution, such as why it started, how the Derg affected the nation, and the role of the peasant population in Tigray and Eritrea.