time, and is there still."

"Ah! He said he was in the north of Paris when he was with me in the
south. He is a liar. He blew up the shop."

"I quite believe he planned it, but the deed was done by another. It
was done by Lamoine, who left for Brussels next morning and went to
London by way of Antwerp. He is living with Picard in London at this
moment."

"If you know that, why has neither of them been taken?"

"To know is one thing; to be able to prove quite another. We cannot get
these rascals from England merely on suspicion, and they will take good
care not to set foot in France for some time to come."

"You are waiting for evidence, then?"

"We are waiting for evidence."

"How do you expect to get it?"

"We are having them watched. They are very quiet just now, but it won't
be for long. Picard is too restless. Then we may arrest some one soon
who will confess."

"Perhaps I could help. I am going to London. Will you give me Picard's
address?"

"Here is his address, but I think you had better leave the case alone.