Once he was at the entrance to the hotel, Tom passed his mobile phone to Dora and said, “I took all of the pictures you asked me to take.”

Dora turned on the phone and flipped through the pictures one by one. There were dozens of pictures on the phone, and they were all of Kylie. “I overestimated her, though,” Tom continued. “She saw me multiple times. She has an uncanny sense for details. If someone is following her, she can feel it. I can’t explain it…”

Ethan went to Kylie’s ...