The US system (as is the British and Australian) is what is called an adversarial system. More importantly, thay also have morphed a lot with local cultures. I know the French system is inquisitorial, which is profoundly different from the US system, but I don't which the Italian court system is. It sounds like it might be somewhere in the middle.

Miss Knox and her family et al have undoubtedly had a big education in different ways to conduct a trial.

Wade.