Columbine shooter's mother talks exclusively to ABC's Diane Sawyer
For the first time, the mother of one of the teens who killed 13 people at Columbine High School 17 years ago will speak exclusively to ABC's Diane Sawyer.
For the first time, the mother of one of the teens who killed 13 people at Columbine High School 17 years ago will speak exclusively to ABC's Diane Sawyer.