Delaney Mullins, Addie Finch and Harrison Finch describe the frightening scene they saw inside Arapahoe high school during the shooting and what they knew about the 18-year-old gunman Karl Pierson.
Arapahoe teen on school shooter: ‘He was a completely normal student’
Delaney Mullins, Addie Finch and Harrison Finch describe the frightening scene they saw inside Arapahoe high school during the shooting and what they knew about the 18-year-old gunman Karl Pierson.