Guards, who are also called security officers, patrol and inspect property to protect against fire, theft, vandalism, terrorism, and illegal activity. These workers protect their employer’s investment, enforce laws on the property, and deter criminal activity and other problems.

Uniformed police officers have general law enforcement duties, including maintaining regular patrols and responding to calls for service. They may direct traffic at the scene of an accident, investigate a burglary, or give first aid to an accident victim.

Private detectives and investigators use many methods to determine the facts in a variety of matters. To carry out investigations, they may use various types of surveillance or searches.

Fire fighters help protect the public against these dangers by rapidly responding to a variety of emergencies. They are frequently the first emergency personnel at the scene of a traffic accident or medical emergency and may be called upon to put out a fire, treat injuries, or perform other vital functions.

Correctional officers are responsible for overseeing individuals who have been arrested and are awaiting trial or who have been convicted of a crime and sentenced to serve time in a jail, reformatory, or penitentiary.