This week's Mr. Robot confirmed the long-standing theory that Elliot (Rami Malek) has actually been incarcerated all season. But while fans have been predicting this reveal since the Season 2 premiere, there's still one major question Mr. Robot still needs to answer: Why is Elliot in prison in the first place?
We break down these theories and more in the video above.
Mr. Robot airs Wednesdays at 10/9c on USA.