AP PHOTOS: Teen gunmen unleashed horror at Columbine in 1999
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/2InJYyE
AP PHOTOS: Teen gunmen unleashed horror at Columbine in 1999
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/2InJYyE