Others patrol set areas to keep the peace and to prevent crime. Some patrol the streets and give out traffic tickets. They also give first aid to accident victims. Some police direct traffic, and most police wear uniforms. Detectives and special agents work in regular clothes.
Most detectives are part of regular police forces.
Special agents work for Federal and State law enforcement agencies. They file reports about what they've done during the day. Most police work on foot or ride in cars. Many, however, ride horses, bikes, or motorcycles, and some work in boats on rivers and in harbors. Some police work with dogs.