"Because I'm a [untranslated word]." He frowns at the desk, thinks, then elaborates. "The other person is Miles. Someone didn't like Miles, so he - made a second Miles. That's me. He called me Miles and taught me to think like Miles and act like Miles, and made me look just like Miles, but I'm not Miles. I... don't know who I am. But when I met Miles, the first Miles, he gave me a different name. Mark."