(Amelia) I enlarged the picture again and focused on the woman's hand. The ring had a wide silver band with a small green stone in the center. I remembered seeing it when someone handed me my badge at the medical summit. The woman had been working at the registration table. "I know where I've seen her." Nathaniel moved closer. "Where?" "At the summit." His attention returned to the picture. I thought back to the morning I'd arrived. There had been several people checking names, handing out badges, and directing doctors toward the main hall. I'd shown my identification because there had been a problem finding my registration at first. Someone had taken it to check my information. "She had my driver's license." Nathaniel looked at me. "Are you sure?" "She took it when they couldn't

