Susan Klebold ( born March 25 , 1949 ) is an American author and activist . She is the author of '' A Mother 's Reckoning : Living in the Aftermath of Tragedy '' , a book about the Columbine High School massacre . She was the mother of one of the perpetrators : Dylan Klebold . On April 20 , 1999 , Dylan , along with his best friend Eric Harris , murdered 12 students and one teacher , injured 24 others and then killed themselves
Columbine High School massacre
Columbine High School massacre
Sue Klebold