When four elite Anbu ninja dealt with a single Uchiha jōnin who was caught off guard, it was basically effortless... At this point, even if they searched through the entire Uchiha family genealogy, they probably wouldn't find a single pair of Mangekyō Sharingan.
The only place they could look was in the graveyard.
As for Uchiha ninja with the Three-Tomoe Sharingan, although their individual strength and abilities were far superior to those of ordinary ninja, they were by no means beyond the standard.
Not everyone could even become a "Copy Ninja." Kakashi had made a name for himself because, while using the Sharingan, he had also mastered all five elemental Chakra natures. However, that "also" was something ordinary people could never accomplish.
In fact, there was already someone at this stage who had managed to grasp three attributes while striving unsuccessfully for two.
It could be said that Kakashi had inherited exceptionally strong physical abilities from his father, while the Uchiha's Sharingan was also exceptionally powerful. Thus, he had somehow pulled off the miraculous feat of "1+1=0.5."
After arranging the mission, the Anbu squad ambushed the Uchiha ninja along the mission route they had learned of in advance... It was far too easy for Anbu ninja to do such a thing, because all mission arrangements were made by the Hokage's central administration.
Missions like this, which openly targeted fellow villagers, likely wouldn't leave any records in written documents... If some Uchiha ninja went out on a mission and then disappeared, the entire incident could very well become an "unsolved mystery."
In other words, it would be a "missing-person incident." That was the outcome most beneficial to the Anbu and Konoha.
To avoid attracting attention as much as possible, the Anbu squad chose an ambush site quite far from Konoha. As