Correctional officers oversee those who have been arrested and are awaiting trial or who have been sentenced to serve time in jail or prison. Bailiffs are law enforcement officers who maintain safety and order in courtrooms.

Fire inspectors examine buildings in order to detect fire hazards and ensure that federal, state, and local fire codes are met.

Police officers protect lives and property. Detectives and criminal investigators gather facts and collect evidence of possible crimes.

Private detectives and investigators search for information about legal, financial, and personal matters.