a criminal psychologist or a forensic psychologist.
Added: . . . or a CRIMINOLOGIST.
Forensic Biologists
Forensic Anthropologists(Identification.)
Forensic Botanists (Leaves, Seeds and Plants)
Forensic Odontologits (Teeth- Dental Records)
Forensic Entomologists (Insects and Arthropods)
Forensic Ostiologists (The Causes and Circumstances of a death.)
Forensic Pathologist (Studies Cause Of Death)
Criminal Phsycologust (Studied Criminology- Liek a Phsyciactrist in some ways)
A criminologist.
You call someone that studies metal a metallurgist.
A physicist.
a person who studies planets is a planetologist.
There is no special name for someone who studies Hebrew.
An Anthropologist.
malacologist
euclidist
Gemologists
psychologist
A numismatist.
A Zoologist
a meteorologist.