It seems as if no other websites existed for teenagers except the website created by Harris and Klebold, the two shooters in that case.

就好像就没有别的适合年轻人的网站了，他们眼里只有Harris和Klebold所建立的网站，也就是本案里的两个枪击者。

youdao

Five years after the killings, the FBI said they believe that Harris was a clinical psychopath who masterminded the plan and Klebold depressive.

枪击案发生五年之后，联邦调查局表示相信哈里斯有精神变态的临床症状，他一手策划了杀人计划，并利用了克莱伯德的抑郁症状态。

youdao

It seems as if no other websites existed for teenagers except the website created by Harris and Klebold, the two shooters in that case.

就好像就没有别的适合年轻人的网站了,他们眼里只有Harris和Klebold所建立的网站，也就是本案里的两个枪击者。

麻省理工公开课 - 媒体、教育、市场课程节选

Shoels' family was not expected to attend, nor would Harris and Klebold be mentioned in the ceremony.

CNN: Columbine seniors graduate under the shadow of shooting

In the April 20, 1999, Columbine High School shootings, Harris and Klebold had clearly done significant planning.

CNN: Rejection, bullying are risk factors among shooters

Cullen, the original Columbine debunker, theorizes that the public was afraid to believe Harris and Klebold weren't total outcasts.

CNN: Debunking the myths of Columbine, 10 years later