Seems like a rather elaborate plot for Pinkerton's to get Gillian. And her arc mightn't be done yet. There might be more for her to suffer. Didn't quite a few states still have the death penalty back then?
God, I hope not. To me, she's a great example of an overused character like I described earlier in the thread. The last thing I'd want to see is her trying to scheme her way out of a jail cell. To me the character has become a joke as they've reduced the effectiveness of the character by hanging on to her for too long when the better thing would have been to just kill her off last season.