Karl Halverson Pierson, Gunman in Colorado, Was "Very Opinionated
A TEENAGER who may have had a grudge against a teacher opened fire with a shotgun at a Colorado high school, wounding two students before killing himself...
Arapahoe County Sheriff Grayson Robinson identified the shooter on Friday night as 18-year-old Karl Halverson Pierson.
The shooter entered Arapahoe High School armed with a shotgun and looking for a teacher he identified by name, Sheriff Robinson said...
Thomas Conrad, who had an economics class with the gunman, described him as a very opinionated Socialist.
"He was exuberant I guess," Conrad told The Denver Post.
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