The person who investigates, collects evidences, from the scene of crime is the crime scene investigator and he plays a major role in solving a case. A criminal mind and his next move is well understood by a crime scene examiner. His observations help in solving a case.

A detective is a private investigator or a criminal minds spencer reid of the police service who investigates on matters of national importance, historical crimes and those crimes which are not solved easily. A detective helps in law enforcement in a country.

A lawyer is the person who practices law as a solicitor, advocate, counselor, attorney, barrister and helps in dispensing justice. He is the person who solicits for his clients. They are there to ensure that no person is indulging in immoral or unethical activities. A person who is afflicted regarding something unjust done to him approach lawyers to seek for legal help.

A paralegal assistant is the one which assists lawyers in their profession. Paralegal and legal assistants help lawyers in maintaining files, conducting research, organizing documents and so on.

Other careers related to criminal justice are working as a police officer, private investigator, probation officer to name a few.

Criminal justice is becoming highly essential in this fast paced life modern life where the number of crime rates is increasing and the need to dispense justice is increasing. The various careers which are related to criminal justice give an understanding of how these systems ensure peace, solitude and harmony to people.