"You ought to know."
"What do you mean?"
"Just what I say, Paret," he answered slowly. "You ought to know, if anyone knows."
I considered this a moment, more soberly. I thought I might have counted on my fingers the number of men cognizant of my connection with the case. I decided that he was guessing.
"I think you should explain that," I told him.
"The time may come, when you'll have to explain it."
"Is that a threat?" I demanded.
"A threat?" he repeated. "Not at all."
"But you are accusing me—"
"Of what?" he interrupted suddenly.