"I'll get free."
"How can you?"
"I'd rather not tell you."
"You've got to tell me," she retorted imperiously.
"Yes," he admitted. "I've got to, if you insist. You've the right to know."
She softened. "Have I? Tell me, then."
"I have—evidence." He spoke with an effort.
"Against your wife?"
"Yes."
"Why haven't you used it before?"