Hi..
I'm new to making composite parts and after some advice..This is the first mold I've made.. Its been cleaned up since this picture was taken.. 
It's a deep Box shaped mold and have concerns about the best way to lay the carbon fiber cloth In it without getting creases. 
With something like this would it be viable to cut the cloth into multiple sections to get it in tidy.. Or would it go in, in one piece and be manipulated into place once its wetted out? 
Any advice would be appreciated.. 

This is too deep to do it without cutting. Even if you could get it down, the fibre alignment would look terrible. I would go for 3 to 4 pieces: one along the length, and one for each side. If you want smaller pieces, you could split the one along the length into smaller pieces, preferably at one of the lower corners.