The protest came on the anniversary of the April 20, 1999, massacre in Columbine High School in Littleton, Colo., in which 13 people were killed.
El Paso Times, El Paso Times
Fri, 04/20/2018 - 11:08am
The protest came on the anniversary of the April 20, 1999, massacre in Columbine High School in Littleton, Colo., in which 13 people were killed.