The Headquarters is 3 blocks up on the left. Pull car around back where other cars are parked. Enter Death Camp and Search for Prisoners Head west until you see a small bomb crater next to gas station. Go north past building and two sand hills. Turn left and head through opening.
Fence is destroyed.
Go north to big doors heading to inner part of the camp. There is a switch on a pedestal next to the doors. Jump on hill and then onto the pedestal and activate the switch. Go into inner part of camp. You should get 2 messages in each barrack.