Suzaku nodded, "If it is through the food then there is not much we can do..." There was no any physical way to get food that wasn't given to them by the tower.

"They didn't experiment on everyone... perhaps there are some whose minds can not be controled, we should perhaps try and find them..."

Because if there was at least a couple of people who couldn't be controled they could attempt to stop the others from losing it completely.