Yes, Stuart is being manipulated too, poor guy. He got the pictures and the information, followed by the order to get to Mike asap.

April and Mitch already met if I recall correctly, after the [s]date[/s] Benjamin and Steph visiting the thai restaurant and cocktail bar, when Jackson tried to kill Steph. And he didn't recognize her then. But at least they have met before.

And Harriet leaving when everything goes down, that is actually a really good idea.