There are two separate criminal justice systems on the federal and state levels of government.
state and federal
justice department
Criminal justice degrees are very versatile these days. Unfortunately because the crime rate in the US is always rising, these degrees are much needed. Policemen, detectives, federal agents, and many more all utilize criminal justice degrees.
Many varying federal and State agencies, one of which is the Federal Bureau of Investigation.
Federal criminal defense lawyers are either appointed by the federal court or hired by the defendant. If a defendant cannot afford an attorney, the federal court will appoint a federal criminal defense lawyer and pay that lawyer in accordance with the Criminal Justice Act and now-a-days from federal defender organizations. A federal criminal defense lawyer hired by the defendant can be selected based on whatever the defendant prefers, though a lawyer with experience in criminal cases on the federal level are typically most sought after.
The question is a true statement.
federal and state constitutions
A proponent is someone who supports criminal justice or a criminal justice system.
Criminal justice.
A justice criminal is that person who is on the run because he is afraid of facing justice.
Scientific research into the operation of the criminal justice system was encouraged by the 1967 President's Commission on Law Enforcement and Administration of Justice, which influenced passage of the Safe Streets and Crime Control Act of 1968.