Anne didn't bring Erick and Alice straight to Clarke's residence. She took the two of them out for lunch, because she wanted to tell the two of them some things before going home and meeting Alan. While Anne was telling them the story, Erick and Alice did not utter a single word at all. The two people were so focused on the sentence after sentence that came out of Anne's lips.
"That's why I asked you to come to Luxembourg to help my husband find his brother's killer and restore his memory," said Anne slowly, repeating a few sentences she had said before to close her explanation to Erick and Alice.
"So t-that guy really is Mr. Jack?" Alice stammered.