Lambs to the Slaughter... no slaughter...

I've recently found the lambs to the slaughter quest to be unbeatable, not because of dificulty but because the shadowblades you're supposed to kill at the end stay green and you can't attack them or only one goes red (You have to kill them all). I've beaten this quest before with other characters, but then an update came out that mentioned this quest as improved and now I get this problem. Has anyone been able to complete this quest recently?

I have also experienced the same problem with this quest... no idea why it's doing it...

the time it was bugged for me, I killed the first guy, the one that shouts "they found us" really quick. I figured that prevented the others from converting. I rezoned and waited a few seconds before doing them in again.

There is a glitch in the quest where if you kill the Shadow Blade member who begins to talk too quickly the rest of the Shadow Blades will not go hostile and as such you cannot complete the quest. However, a way around this is to aggro a nearby Am-Fah group. They will attack the Shadow Blades but will not attack the Obsidian Flame members. If you can get the Am-Fah to kill the rest of the Shadow Blades you will receive quest completion

:P