Not to be that guy again, but...
How do we know that the woman at the end of Sub10 is Liz?
I mean...we all automatically assumed she was Liz, since she's had the closest connection to Murtaugh for the whole series. But the problem is that she doesn't have any defining physical characteristics that would confirm her identity, unlike Murtaugh with his karma arm.
To be fair, I think that the woman we see in the desert could just as well be SBG-17. Sounds ridiculous, I know.
But...is it? We know that SBG17 is stationed in the shrine, since "she takes care of Einstein when [Murtaugh] isn't around". And we see Einstein at the shrine as well. Of course, SBG-17 doesn't have any defining physical characteristics either.
But we also don't know where Liz ended up. No notes of her saying that she went anywhere or was planning on going anywhere in particular.
Not saying that the woman is either Liz or SBG17. I just thought that, well, we don't actually have any evidence as to who she is