An eight-year-old girl sleeps alone, but every morning she complains that her bed feels “too small.” When her mother checks the security camera at 2 a.m., she breaks down in silent tears…

The next morning, while making Emily’s bed, I decided to do a deep dive. I stripped the sheets, looking for anything—a crumb, a pebble, a sign of entry. I smoothed my hand over the expensive fabric of her second pillow—the one she never used, the one she kept for decoration at the head of the bed.