Two suspects are in custody after a school shooting about seven miles from Columbine High School left eight students injured, authorities said. The two were apprehended after the shooting at the STEM School Highlands Ranch, which covers K-12, Douglas County Sheriff Tony Spurlock said. About 1,850 students attend the school, according to its website. The suspects are believed to be students at the school, he said. One is an adult male and one is believed to be a juvenile.