The story

A man who was obsessed with the Columbine High School massacre was found guilty of murder Friday and sentenced to life without parole for gunning down his father before opening fire at a North Carolina high school three years ago.

Alvaro Castillo, 21, has been medicated during the trial and showed little reaction as the first verdict was read -- guilty of the first-degree murder of his father.

He also was convicted of multiple assault and weapons offenses in the school shooting. No one was killed at the school, but two students were wounded. Read full article »

All About School ShootingsColumbine High SchoolMurder and Homicide

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