"What about the dead guy?" I said. "Did you run his prints again?"
She concentrated on passing a farm truck. The first vehicle we'd seen in a quarter hour. Then she looked across and nodded.
"Jeremiah told me you wanted me to," she said. "But why?"
"They came back too quickly for a negative result," I said.
"Too quickly?" she said.
"You told me there was a pyramid system, right?" I said. "The top ten, then the top hundred, then the top thousand, all the way down, right?"
She nodded again.
"So take me as an example," I said. "I'm in the database, but I'm pretty low down the pyramid. You just said it took fourteen hours to get down to me, right?"
"Right," she said. "I sent your prints in about twelve thirty at lunchtime and they were matched at two thirty in the morning. "
"OK," I s
