"Why are you here?" she asked. She was nervous.
"You know," he said. She had promised him help once before. Now let her deliver. But she had to volunteer.
"I know." She looked down at her hands, long skilled hands. "I put in the circuit. But I didn't choose you."
He began to understand part of it. The 'Medical Research' business was just a cover. The real work was done at the police emergency hospital. That was why she had no laboratory. And the raw material—
"Who did choose me?"
"The police. I have to take what they give me."
There were certain implications in that statement he didn't like. "Have there been others?"
"Two before you."
"What happened to them?"
"They died."