Khieu Samphan's appeal against pre-trial detention

So Socheath, wife of a former Khmer Rouge head of state Khieu Samphan, walks into the court room for a hearing at the U.N.-backed genocide tribunal in Phnom Penh, Cambodia, Friday, April 3, 2009. The U.N.-backed genocide tribunal on Friday opens a hearing of the pre-trial detention of Khieu Samphan who was charged of war crime and crime against humanity. (AP Photo/Heng Sinith, Pool)
Former Khmer Rouge President Khieu Samphan sits in the dock before Cambodia's genocide tribunal rules on an appeal against his third pre-trial detention, on the outskirts of Phnom Penh April 3, 2009. Khieu Samphan is charged with war crimes and crimes against humanity.
REUTERS/Heng Sinith/Pool
Khieu Samphan, a former Khmer Rouge head of state, looks on during a hearing at the U.N.-backed genocide tribunal in Phnom Penh, Cambodia, Friday, April 3, 2009. Khieu Samphan is charged with war crime and crime against humanity. (AP Photo/Heng Sinith, Pool)
Khieu Samphan, a former Khmer Rouge head of state, touches microphone as he sits in a dock during a hearing at the U.N.-backed genocide tribunal in Phnom Penh, Cambodia, Friday, April 3, 2009. The U.N.-backed genocide tribunal on Friday opens a hearing of the pre-trial detention of Khieu Samphan who was charged of war crime and crime against humanity. (AP Photo/Heng Sinith, Pool)
French lawyer, Jacques Verges, lawyer to Khieu Samphan, a former Khmer Rouge head of state, looks on during a hearing at the U.N.-backed genocide tribunal in Phnom Penh, Cambodia, Friday, April 3, 2009. The U.N.-backed genocide tribunal on Friday opens a hearing of the pre-trial detention of Khieu Samphan who was charged of war crime and crime against humanity. (AP Photo/Heng Sinith, Pool)