<em>Crime Scene Investigators are responsible for protecting and gathering evidence at a crime scene. </em>
Forensic Scientists work in a lab, they would not be present during crime scene.
Judges have nothing to do with this. Their responsibilities include determining the innocence of a person involved.
Like the forensic scientist, a Forensic Pathologist is another person who would be working in a lab. These are dead people doctors, and they are responsible for autopsies and determining cause of death via an autopsy.
Cos they have been bestowed with the power by the Government of their country and also they have enough financial fund and weapons to be able to combat crime
