How can I re-ask a question I got wrong?
Solution 1:
Short of loading an old save, you can't. Generally, getting one question wrong isn't enough to ruin your chances at a case. The case will still come to a close with some kind of resolution, based on how well you do during interrogations.
In some specific interrogations, if you do poorly enough, you will actually fail and be given the option to start the whole interrogation fresh. These tend to be later in the game and have to go a certain way for plot reasons.