Nothing about that fit the story I’d been told.

“Did your mom tell you anything else, buddy?” Noah looked down the hall at Rebecca again, and then he reached one small hand into the pocket of his oversized jacket, and he pulled out a tiny black USB drive, scratched along one corner, and he held it out to me in his palm.

“Mom said if she went to sleep for a really long time,” he said, “I should give this to you.” My knees nearly went out from under me right there on the hotel carpet. If she went to sleep for a really long time. That is what my daughter had told her three-year-old son to say — a phrase small enough for a child to carry and terrible enough to stop a grown man’s heart — and she had sewn a flash drive into his pocket and sent him to find me, because she had been afraid, genuinely afraid, that she might not survive to tell me herself.

I have turned that sentence over a thousand times, the way you’d turn over a stone you found in your own garden with something written on the underside.