The Elric brothers and Havoc, in the Amestrian camp somewhere during the restoration of Ishval.
"Brother, there was nothing we could do for her," said Al.
"Yeah, chief," said Jean Havoc. "You gotta stop beating yourself up over that. You never got the chance. Scar killed her."
"But we couldn't have put her back to normal. She would have been shut up in a lab somewhere and never treated as human." Ed protested.
"Um, what does that have to do with anything?" asked Havoc. "You get to kill anyone whose gonna be treated bad? Gee, what's my problem then? Who needs 'following orders'? 'Your honor, I killed those little kids because they were gonna have a hard life if I didn't.' There, I'm all set."
"Havoc," said Ed, "you know it's not the same thing. Nina would have ended up in a lab."
"Who says? Doesn't that mean you try to keep her out of a lab? But you didn't get the chance to even try that because Scar decided he was God and needed to kill her. Real convenient that. Gets rid of the problem for everyone. Except the little girl."
"But she wouldn't have been treated as human!"
"Then treat her as human! Don't kill her! We treated Al as human when he was just a soul bound to armor. We treated the other chimeras as human. They didn't have to be 'fixed' first, or even 'fixable.' Hell, you treated the Slicer brothers as human and they were convicted mass murderers! (They were trying to kill you, so you had to fight back, but you still treated them like human beings.) So how come Nina is so different? I'll tell you why. Because Scar fucking killed her! You didn't get the chance!"
"Look chief," added Havoc, "I know you feel bad about it – we all do. But it's past time you stopped accepting Scar's excuses. The only reason you couldn't help that little girl – and you didn't have to fix her to help her – was because she was dead. And that was absolutely no fault of yours."