Quote Originally Posted by DB_Hunter
Actually I think he did make a seal in the middle of all that talking with Kakashi. It was at the point when Kakashi warned everyone not to look in to Itachi's eyes.
Most likely... I mean back when Itachi and Kisame first came to Konoha... Itachi did a jutsu by just taking out some ninja stars. I think it said it's because he's too fast to be seen or something like that. But that makes him godly. Perhaps his eyes probably make it look like he's fast.