"Oh yeah! WE TRUSTED YOU!"

well, this is interresting.
http://bionicle.lego.com/en-US/movies/MovieBTS1_voiceover.aspx
It certainly seems Somehwat spoilerish.

We get to hear Berix, Ackar, Gresh, and Kiina.

"Hmm, let me think about it for a second. Oh yeah! WE TRUSTED YOU!" _Berix

Doesn't sound like what a Traitor would say, don't cha think?

Well, this is quite interresting. All avaliable evidence points to the traitor being...

*knocked over the head and dragged away*

_DTC