That fits. In prison, she learned wisdom... which doesn't happen often enough. If she'd gone to Arkham, she have come out much sooner and nuttier, methinks.

Is Arkham still in use in 2412?

“They planned their campaigns just as you might make a splendid piece of harness. It looks very well; and answers very well; until it gets broken; and then you are done for. Now I made my campaigns of ropes. If anything went wrong, I tied a knot; and went on.”
-- Arthur Wellesley, First Duke of Wellington