i'm really going to have to rewatch this episode more closely, just to see who had access to the wine the last time.
you know this is the goat show, where this murder mystery is merely a subplot in the overall story
- the only suspect i didn't see mention was shae

- she kept on telling tyrion that she doesn't have to run, and that they can fight back
- we never really saw her get on that ship and bounce
- she had access to the palace, being sana's servant so she may know how to get access to the royal wine
- she prob could care less that tyrion gets implicated after she got pimped slapped back to her ho ways
- she always had love for sansa, and prob sent the "fool" to get her out
- i know its a reach, but something to consider