So, I have replayed the campaign about 7 times now, trying fruitlessly to get this achievement as it is the last one I don't have. But try as I might, I simply cannot get this achievemnt to pop, and I don't know if I'm missing something subtle or not. I've researched a lot of guides and I don't see what I could possibly be doing wrong. Multiple times, in straight playthroughs (Not stopping and loading autosaves) I have helped Granny with her callers, poisoned the distillery, and then gone on to find Slackjaws missing man and put the Pendletons to work in their mines. I've tried just about every variation of doing these missions as well. Robbing the safe, not robbing the safe, etc, and then I go to kill Granny and save Slackjaw. Gentleman callers popped quite simply, but Conspiracy won't, yet I've watched Youtube videos of people doing exactly what I have done for this and they unlock it fine... I love this game... but this is frustrating beyond what is healthy. Anyone got any ideas?