"Looking for something, Mr. Cornell?"
"Not particularly," I told the telepath cop. "Why?"
"You've been digging every mailbag that comes out of there."
"Am I?" I asked ingeniously.
"Can it Buster, or we'll let you dig your way out of a jail."
"You can't arrest a man for thinking."
"I'll be happy to make it loitering," he said sharply.
"I've a train ticket."
"Use it, then."
"Sure. At train time I'll use it."