Definicija: His role is not to prosecute the accused, but to gather facts, and as such his duty is to look for any and all evidence (a` charge et a` décharge), incriminating or exculpatory.

Definicija: sodnik, ki v rednem kazenskem postopku uvede in opravlja sodno preiskavo, odloča o preiskovalnih dejanjih in drugih ukrepih ali opravlja nujna preiskovalna dejanja