Solid Snake: Fox, why? What do you want from me?
Gray Fox: I'm a prisoner of Death. Only you can free me...
Solid Snake: Fox, stay out of this... What about Naomi? She's hell bent on taking revenge for you.
Gray Fox: Naomi...
Solid Snake: You're the only one that can stop her.
Gray Fox: No... I can't.
Solid Snake: Why?
Gray Fox: Because I'm the one who killed her parents. I was young then and couldn't bring myself to kill her too. I felt so bad that I decided to take her with me. I raised her like she was my own blood to soothe my guilty conscience. Even now she thinks of me as her brother...
Solid Snake: Fox...
Gray Fox: From the outside, we might have seemed like a happy brother and sister. But every time I looked at her, I saw her parents' eyes staring back at me... Tell her for me. Tell her that I was the one who did it.