I am doing the Kahl mission. I got four brothers and the jetpack, wandered over to her area, and when I walked in she said some line and then just never appeared. But the problem is that I am trapped in the area now. So I'm gonna have to abort mid-mission. I've looked around, waited for a while and nothing. I saw a similar problem people were having with it post-fight but I never even got a chance to fight her.