Fire inspectors examine buildings in order to detect fire hazards and ensure that federal, state, and local fire codes are met. Fire investigators, another type of worker in this field, determine the origin and cause of fires and explosions. Forest fire inspectors and prevention specialists assess outdoor fire hazards in public and residential areas.

Police officers protect lives and property. Detectives and criminal investigators, who are sometimes called agents or special agents, gather facts and collect evidence of possible crimes.

Firefighters control and put out fires and respond to emergencies where life, property, or the environment is at risk.

Private detectives and investigators search for information about legal, financial, and personal matters. They offer many services, such as verifying peoples backgrounds and statements, finding missing persons, and investigating computer crimes.

Correctional officers are responsible for overseeing individuals 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.

Security guards and gaming surveillance officers patrol and protect property against theft, vandalism, and other illegal activity.