"I think I know how they knew when to set it off," Morrison said. "It can't have been on a timer because they'd have had no way to be sure when to set the bomb off. Just before it exploded though I told the pilot to radio Orion Base. If they had a mole or were listening on our frequency..."<br/><br/>"Don't blame yourself Rick," Tom said. "You couldn't have known that was what was about to happen. I think I know who the traitor is, you're not the first team he's tried to assassinate, you're the first team who's managed to survive one of his attempts though."