Forensic science and Criminalistics are same.
They are part of each other.
They are same with different names.
Forensic Science and Criminalistic, both investigates crime-scene, analyse and examine evidences.
“Criminalistics” is derived from the Latin word “crimen” (=charge, misdemeanour).
Criminalistics is concerned with methods of combating criminals through preventive (pre-emptive) and punitive (repressive) measures.
The goal of criminalistics is to find forensic evidence and to put a stop to criminal activity.