Well yeah! I figure it like this... someone had to tell Itachi about the mangekyou sharingan. If it's forbidden beyond forbidden, and requires that you kill your best friend, it's not like pa's gonna say, "Aww son, there's this cool trick I gotta teach you, but... you gotta kill Shisui first!"

Gotta love the little hints that suggest something bigger. [img]i/expressions/face-icon-small-smile.gif[/img]

-xtortout