There were nine names on the old wartime route chart.
Three were still in the clan.
Two had retired from frontline missions.
Four had been recorded as dead.
Fugaku did not immediately turn those four dead men into suspects.
"Using the same route doesn't necessarily mean he was one of the people on it."
Someone could have glimpsed the codes.
Mission records could have leaked.
Someone still alive could also have told others about the route.
But when this lead was set alongside the other evidence, the man behind the mask finally became more than a single eye.
Shikaku listed the traits they could currently confirm on the wall.
He possessed at least one Three-Tomoe Sharingan.
He had mastered ninjutsu that allowed him to pass through objects and distort space.
He knew Konoha's sealed archive system and the Old Contact Node.
He knew the Uchiha's wartime codes and the blind spots along their retreat routes.
He had been in a position to get involved in the Night of the Nine-Tails, and had long kept watch on Itachi and Shisui.
He used a white double made of abnormal cells.
In addition, the target had observed Shisui with his right eye throughout their fight.
The left side of his mask had no opening, nor had there been any changes in his chakra-based vision.
That might simply have been the mask's design, or it might have meant that his left eye was missing, damaged, or serving another purpose.
His single exposed eye was the exact opposite of Kakashi's Transplanted Sharingan.
Kakashi had the left eye.
The Masked Man exposed his right.
For now, this could not prove any connection between the two eyes, but it was enough to include in later comparisons.
These traits did not fit an ordinary rogue ninja.
The target