I didn't sleep. I paced the room. I tossed and turned in bed, but I never managed a wink of sleep. Hours ticked by. Painful minutes ticked by. There was nothing. No word. No text or message. I was just stuck in the dark and I didn't dare bother them because it could mean life and death.

At seven o'clock in the morning, I stumbled down the stairs on tired legs. I wanted to sleep, needed it, but I couldn't. I made some cereal and sat looking out at the sun in the sky over the city. The ...