Board Thread:General Discussion/@comment-3035448-20160727005157/@comment-24491781-20160803153929

Shaneymike wrote: Don't ask why I didn't think of this before but I wonder what will happen of Tyrion finds out it was Olenna who killed Joffrey and made him the fall guy. Exactly. Meaning Tyrion will possibly not attempt to kill Ellaria and Sand Snakes.

If he does it would cause a mutiny amongst Daenerys and her alliances, and that is not something Hand of the Queen should do.

Also I think Ellaria knows that Olenna killed Joffrey (his nephew) and set Tyrion up.