Ключевые слова: accident, aim, armed, background, caucasian, classroom, closeup, college, concept, crime, criminal, danger, education, female, firearm, girl, gun, illegal, indoors, kill, learn, learning, life, murder, people, person, pistol, problem, pupil, risk, safety, school, shooter, shooting, social, stop, student, study, teenage, teenager, terrorism, terrorist, threatening, university, victim, violence, weapon, woman, young,