User blog comment:JediSpectre117/Citadel Trailer is out REPEAT OUT !!!!!/@comment-5204794-20130304191915/@comment-2250460-20130304215436

That is 99% sure Cortez's hand. Reasons why?:

1. It looks like their in a shuttle.

2. I'm pretty sure I can see more than 3 fingers.

3. Tali's and was never that large/wide.

4. TW is wrong.