There was a deep frown between his eyes.

He talked as if he were doing it to keep himself from worrying.
"What's eating you ?" I asked.
"Noureddin Ali.

After all this trouble to bag the whole gang without any fuss there's a chance he's given us the slip.

I watched all night to make sure he didn't come out of that door.
He didn't.

But I've no proof he's in there.