"Yeah," she said, to the first bit, staying close, as they walked. "The Time Agency. He and his partner both woke up one morning with 2 years of their memories gone, and their names. They quit, there and then. Decided to be conmen, instead. Calling him the name I always had done seemed to hurt him, so I started using Jack, his main alias, and it just stuck."
Emma looked up at not-her-Jack as she asked the next question. "Was she the girl you mentioned earlier? The one you'd known for six months, the half human one." She took a breath. "'Cause that's what I am."