Criminal law is the study of law that relevance to crime. It prohibits conduct recognize as threatening, harmful, or otherwise endangering to the belongings, health, safety, and moral welfare of mankind. Criminal law differs according to jurisdiction.Law enforcement describes the agencies and employees responsible for enforcing laws, maintaining public order, and managing public safety. The primary duties of law enforcement include the investigation, apprehension, and detention of individuals suspected of criminal offenses.

Victimology is the investigation of the connection between the victim and the perpetrator. To comprehend this idea, initially, we should comprehend what the terms casualty and culprit mean. The purpose of forensic victimology is aimed to accurately, critically, and objectively describe the victim to better understand victims, crime, criminals, and forensic issues. Forensic victimology is an applied discipline, intended to be employed as an objective scientific practice.

Cyber security ensures the information and integrity of registering resources having a place with or connecting with an association's system. Its motivation is to protect those advantages against all risk on-screen characters all through the whole life cyber.

Types of Cybersecurity

• Critical infrastructure security.
• Application security.
• Network security.
• Cloud security.
• Internet of Things (IoT) security.

Forensic chemistry is the application of chemistry to law implementation processes. The scope of Forensic Chemistry will also include the application and or development of any molecular and atomic spectrochemical technique, electrochemical techniques, sensors, surface characterization techniques, mass spectrometry, nuclear magnetic resonance, chemometrics and statistics, and separation sciences

Forensic DNA analysis is the most appropriate techniques which are used by the forensic experts to identify the victim by using there DNA samples obtained at the crime are compared to the suspected victims. The recent trends which are followed by the science 

Digital forensics is a branch of forensic science that focuses on identifying, acquiring, processing, analysing, and reporting on data stored electronically. Electronic evidence is a component of almost all criminal activities and digital forensics support is crucial for law enforcement investigations.

It is the branch of medical science which deals with the study, diagnosis, treatment, prevention of mental illness and behavioral disorders. Forensic psychiatry practionars should practice according to the guidelines and ethical principle.