Two individuals "walked into the STEM school, got deep inside the school and engaged students in two separate locations," Sheriff says.
Attack took place 5 miles from Columbine school where 12 students were shot in 1999
Attack took place 5 miles from Columbine school where 12 students were shot in 1999
Two individuals "walked into the STEM school, got deep inside the school and engaged students in two separate locations," Sheriff says.
Attack took place 5 miles from Columbine school where 12 students were shot in 1999