“I don’t know yet. I want to know. Probably there is none. But I have traced prussic acid to Nora Lepley—”
“Gad!”
“And in a bottle that came from Grainger’s shop.”
“Good Lord!”
“Yes, it’s a queer development, isn’t it?”
“But—”
“I know absolutely nothing more than I have told you.”
Pepster nodded thoughtfully, then touched a bell.
“What is the next train for Midlington?” he asked of the police clerk who answered his summons.