"Then you suspect somebody?"
"Yes."
Rankine looked at him in silence for a few moments.
"I suppose you mean to follow up the clue you've got?" he then asked.
"You may take that for granted," Andrew answered.
"And if you find your suspicions right?"
"When I'm certain of that, I'll act; but not before."
"Well, you no doubt recognize the responsibility you're taking. There are people appointed to investigate these things who could act with greater skill and force."
"I see that," Andrew replied quietly. "And when I think the time has come, I'll go to them, or you."
"But you mean to decide for yourself whether it has come or not?"