AP PHOTOS: Teen gunmen unleashed terror, chaos at Columbine
On April 20, 1999, two teenage gunmen dressed in black trench coats went on a killing rampage at Columbine High School in suburban Denver.
More: https://fxn.ws/2DbzU7t
AP PHOTOS: Teen gunmen unleashed terror, chaos at Columbine
On April 20, 1999, two teenage gunmen dressed in black trench coats went on a killing rampage at Columbine High School in suburban Denver.
More: https://fxn.ws/2DbzU7t