Yes, your regret. A young woman, used the super soldier serum to form an anti-nationalist group. Radicalised and died as a result.

[ all of that seems like she's reading it out from notes. then, however, her voice takes on an edge of surprise — ]

Wait... This footage — oh. I see what you mean.

[ somehow, she manages to sound both puzzled and understanding at the same time; like she knows the phenomenon, but is surprised to encounter it when it comes to herself. ]

So that's what's wrong with my voice. Well... if you would prefer it, I can communicate with you by text in the future.