It happened so quickly that many couldn’t give a detailed description of the intruder.What teachers and school staff do remember Thursday afternoon at Lamesa High School was the loud noise and the sound of gunfire echoing down the school’s hallways.They’ll never forget it even though it was only a drill. The bullets, injuries and the dead weren’t real.The staged scenario of the district’s first Active Shooter Response Drill gave county and city law enforcement offi cers, Department of Public Safety troopers, medical personnel, firefighters and educators a taste of what it’s like, and how to respond when confronting their worse ...