From the beginning of the demo you can see your aim getting pulled slightly towards a hitbox. It's only about 2px, but the aim correction is definitely there. It's most prominent when you pick up the M249 (the big machine gun, I can't remember if thats the proper name because I never use it) and rush through long A doors when there are CTs oncoming. The aim correction goes nuts and starts pulling towards each CT as they approach you.

EDIT : Apologies if I am out of line replying in this thread, but I thought I would try and clear up the reasoning behind why it's evident that an aimbot was in use. I hope that this has been an educational post, for the defendant and anyone else that views the demo and can't see why it's been flagged.