It happened to me as well. It didn't seem as if any action of mine prompted the attack, but most of the outcasts there were hostile towards me as well. The entire base was wiped out in the event. Second Answer: Don't worry, it's a scripted event that's supposed to happen. Sibley had planned a mutiny to kill your character, Specialist Olin (the scribe chick) and Protector McGraw and take the tech in the storage room that you unlocked. If you're quick enough you can save Olin and McGraw. Olin will repair your gear if she survives (although her repair skill is rather low) and McGraw will offer nothing more than his thanks. You most likely didn't hear the dialogue between Sibley and McGraw leading up to the mutiny because you were too far away and too busy looting the storage room. Oh, and if