"Do you think... your crow would let me look through his eyes... the next time he takes that journey? If it's the real thing... I would like to know where he goes... See who would be so willing to hand over something dangerous so easily..."

Sasuke's sharingan weren't advanced enough for that kind of technique yet, but it was simple for Itachi. It was usually something he did with his summons as part of controlling them, but with Sasuke's crow, he had the feeling asking for permission trumped asking for forgiveness.

About the time he was asking the question, Renji arrived.