Ключевые слова: alarm, badge, black, business, car, cop, crime, criminal, design, detective, element, emergency, flat, graphic, hand, handcuff, hat, helmet, icon, illustration, internet, investigation, isolated, justice, law, legislation, light, man, network, occupation, officer, people, police, policeman, protection, safe, safety, security, set, shield, sign, siren, stick, stop, symbol, tape, thief, web, whistle,