In April 1999, Eric Harris and Dylan Klebold opened fire at Littleton, Colorados Columbine High School, killing 12 students and one teacher and injuring 24 .
Sue Klebold, mother of Columbine shooter Dylan Klebold gives her the 1st interview to ABC (Diane Sawyer) next friday on abc2020.
In April 1999, Eric Harris and Dylan Klebold opened fire at Littleton, Colorados Columbine High School, killing 12 students and one teacher and injuring 24 .
Mother of Columbine shooter Dylan Klebold sat down for an exclusive interview with Diane Sawyer in a special edition.
