Ключевые слова: armed, assist, back, candid, city, community, cop, crowd, duty, emergency, enforcement, europe, guard, gun, job, justice, law, male, man, management, metropolitan, officer, order, pedestrians, people, police, police officer, policeman, portugal, portuguese, profession, protect, protection, public, real, rear, safety, scene, security, serve, street, terrorist attack, trust, uniform, urban,