Oscar stared in amazement.
"As we detectives say?"
"Yes."
"How do you know I am a detective?"
"I know you are a detective, and I have a still more startling announcement to make. You have saved my life, but I have been lying about expecting at any moment to go to your aid and save yours."
"Save mine?"
"Yes."
"Well, you do amaze me."
"I knew I would, and I will amaze you still more. We are engaged in the same business. We are hunting down the same gang, and I believe we have succeeded."
It is impossible to describe the sensations that ran through our hero's mind as he said: