Police officers also may be assigned duties as detectives, court security officers, crime prevention officers, Department training officers, field training officers, accident investigators, helicopter pilots, firearms instructors, hostage negotiators, dog handlers or special response team officers. Answer calls and radio complaints involving fires, automobile accidents, misdemeanors, felonies, and wide variety of domestic-related disturbances including assistance with mentally or physically ill persons, neglected children, and marital disturbances; prepares varied related case, complaint, and shift reports.