Duch surprised the tribunal on 27 November 2009 with a plea to be released. In his final statement before the tribunal he acknowledged his involvement in Khmer Rouge-era crimes, including the execution of more than 12,000 Tuol Sleng prisoners, but said they were committed by a "criminal party". Duch also noted that he had served more than 10 years in detention, and stressed that he had been fully cooperative with the tribunal. There were also conflicting closing arguments from Duch's defense team. His Cambodian lawyer, Kar Savuth demanded his client's acquittal and release, while his international counterpart, François Roux pressed judges to hand down a lenient sentence.