“Where are they now?”

“Abroad, I believe. They always take care to have an outlet for escape,” she answered. “Ah! you don’t know what a formidable combination they are. They snap their fingers at the police of Europe.”

“What? Then you really admit that there have been other victims?” I exclaimed.

“I have no actual knowledge,” she declared, “only suspicions.”

“Why are you friendly with them?” I asked. “What does your father say to such acquaintances?”

“I am friendly only under compulsion,” she answered. “Ah! Mr. Biddulph, you cannot know how I hate the very sight or knowledge of those inhuman fiends. Their treatment of you is, in itself, sufficient proof of their pitiless plans.”

“Tell me this, Sylvia,” I said, after a second’s pause. “Have you any knowledge of a man—a great friend of mine—named Jack Marlowe?”

Her face changed. It became paler, and I saw she was slightly confused.

“I—well, I believe we met once,” she said. “His father lives somewhere down in Devonshire.”

“Yes,” I said quickly. “What do you know of him?”