Answer:
Forensic science or criminalistics
Step-by-step explanation:Forensic science is referred to as a branch of science that deals with the investigation. it consists of all the methods that need to be initiated to obtain all information or evidence that generated at the criminal site.
If it is needed then it also introduces the reconstruction of the full crime scene by using obtained evidence. The technique used in forensic science is Hair analysis, fingerprint analysis, luminol spray, etc.