At once my antennae were up and, learning into the aisle, I craned my neck, practically knocking heads with the woman in the seat across from me. For one moment our eyes locked. She had been listening, too, and both of us had the same idea. Would this man go into the bathroom with the child? I held my breath as he held open the bathroom door. Suddenly, he became transformed in my eyes—the dark business suit looked sinister, the friendly smile really a lure to something evil.