On 7 August 2014 the Trial Chamber of the Extraordinary Chambers in the Courts of Cambodia (ECCC) found Khieu Samphan guilty of crimes against humanity committed between 17 April 1975 and December 1977 and sentenced him to life imprisonment.
The substantive hearings in this trial commenced on 21 November 2011 and concluded with closing statements on 31 October 2013. During the 222 days of trial, the Trial Chamber heard testimonies from 92 individuals, including 53 fact witnesses, 5 character witnesses, 31 Civil Parties and 3 experts. An unprecedented number of 103,724 people attended the trial.