Xavier watched the disruption in expressions, making a small guess. Not right now, but later he'd ask. What Iris had done for him was invaluable - his freedom and his ability to take revenge went to her. If she was in need of any assistance and he could help, he'd do it. The fact that he'd abandoned her before was a small matter in the long run.
"Good for you," he said, nodding about the tracker. Any connections to the government at this point - even if they'd gotten him out of jail as well - should be avoided. He followed her into the kitchen, leaning against a counter as she went through the motions of making the coffee.
"The inestimable Irene Adler?" Yes, he had read those mysteries. Before coming to this building he'd admired Sherlock Holmes. Since arriving he'd only been wary of him - if things did reflect reality. A soft laugh escaped him and he shook his head, "I can see that." Even if little information had been given on the woman in the story. The question turning back to him caused a frown to settle on his face, erasing any of his previous laughter. There'd only been that strange dream where he'd voices his suspicions - and Abraham years ago. "Not exactly," he said slowly. Watching her carefully he asked, "Have you heard of The Count of Monte Cristo? He's my best guess."