Just a week after the tragic school shooting in Charlotte at UNCC, a Colorado student was shot dead and eight others were injured in an attack at STEM School Highland Ranch, a high school near Denver. Two STEM students, Alec McKinney and Devon Erickson, are accused of using handguns to attack their schoolmates in an English class on Tuesday afternoon. An 18-year-old student, Kendrick Castillo, was killed when he tackled one of the shooters to protect his classmates. Keep reading for more news.