Carla leaned forward, passion flashing on her face. "You've all gone off the fragging deep end! This is a witch hunt. We have no concrete evidence that implicates anyone. I know what security measures were taken to protect Dunkelzahn. I've gone over and over possible weaknesses, the nature of the blast. And I'll do it again, but the real evidence is too slim to reach any kind of conclusion. You have no proof."