Sensing that Namikaze Minato was inclined to investigate, Uchiha Chi decided to interrupt him. Although an investigation would ultimately work to his advantage, the timing was far from right.
"Minato, I believe the Third Shinobi World War is about to break out," Uchiha Chi warned. "Any plans we have must be put on hold."
After all, as long as Sarutobi Hiruzen remained in power, Konohagakure retained a semblance of order, flawed though it might be. Once this matter was brought out into the open, maintaining peace would become nearly impossible, and the war might erupt prematurely as a result.
Chapter 171