"That is his advantage, but where does ours come in?"
"We have his identity."
"He will change."
"So will we, but I will know that fellow under any cover. He will not know us unless we have forgotten how to do it."
"It is easy for us to change."
"You bet; he fell to us in our best rôle."
"He did."
"But how did he get on to us at all?"
"I must have time to think that out, and mark my words: he is a shadower. He got his points down well. I am a shadower; I will be on his track, and the next time I will have my points down well. Whatever happens, that fellow must be put away."
"He is a terror."