[Zuko throws Colin a sharp glance.]

It might be convenient for us not to run into any trouble, but I'm not going to hope whoever it was died. Just because they were in prison doesn't mean they deserved to be here, or that their crimes were that severe.

[Speaking as someone who got two of her loved ones (and herself, briefly) thrown in prison...]

It looks like the cell blocks are marked [somehow], so we should be able to figure out which one that is to check it out.