By Julian Routh | News Editor Since Eric Harris and Dylan Klebold killed 12 students and one teacher in the massacre at Columbine High School in 1999, there have been more than 60 “major” school shootings in the United States. This trend of gun violence on school grounds prompted Duquesne officials to start a campus-wide active shooter training program that will be administered to all … Continue reading Run, Hide, Fight: DU unveils active shooter training program