Colo. school shooter shared bomb book; mad at debate coach

Colo. school shooter shared bomb book; mad at debate coach

Credit: Getty Images

CENTENNIAL, CO - DECEMBER 13: Police officers work outside Arapahoe High School after a school shooting on December 13, 2013 in Centennial, Colorado on Friday Dec. 13, 2013. According to authorities, two students were injured by a lone gunman who later died of a self-inflicted gun shot wound. (Photo by Chris Schneider/Getty Images)

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by NBC News

kgw.com

Posted on December 16, 2013 at 8:53 AM

Updated Monday, Dec 16 at 12:02 PM

The student who opened fire last week at a Colorado high school, leaving one girl in a coma before taking his own life, was angry after losing his coveted spot on the debate team and an avid reader of a notorious bomb-making bible, according to a classmate.

Joe Redmond, who at one time was a co-captain on the team with the suspected gunman, Karl Pierson, said that Pierson had been reading “The Anarchist Cookbook,” a 1971 book that includes bomb-making instructions.

Pierson, a senior, had been reading the book since his sophomore year and sharing it with others, Redmond said.

Redmond said that the target of Pierson’s anger was Tracy Murphy, a school librarian and the debate coach. He said that Pierson and Murphy “did not get along, and whatever it was escalated to a death threat.”

“Speech and debate was his life, and the fact that he wasn’t there crushed him a little bit and made him really tense and angry,” Redmond told NBC News.

Pierson showed up at the school, Arapahoe High in Centennial, Colo., at midday Friday with a pump-action shotgun, ammunition strapped to his chest, a machete and Molotov cocktails — and headed for the library.

Alerted to the threat, Murphy left the building, which police praised as a tactical move to lure Pierson outside.

Pierson fired one round down a hallway and then shot Claire Esther Davis, 17, who just happened to be sitting nearby with a friend. He killed himself as a security officer closed in on him, police said.

Murphy was not hurt in the attack. A statement from the Littleton Public Schools said that he had “asked that we share his and his family’s concern for all of the victims of this tragedy.”

Claire was in critical condition, stable but in a coma, her family said Sunday in a statement released through the hospital.

Arapahoe students were praying for Claire, who was described as outgoing, athletic and an excellent student. She loves horses and recently placed second in an equestrian competition, The Denver Post reported.

A neighbor told the newspaper Claire is also the best babysitter in the community.

“She took care of our 5-year-old,” said one man. “She was well-loved. I believe she wanted to go into nursing — I know she had already been accepted to a number of colleges already.”

A fellow student, Avery Griggs, a sophomore, said that Claire is “one of the nicest people I’ve met at Arapahoe.”

Friends and well-wishers posted prayers on Twitter, and some students collected money to help pay for her medical expenses.

“I feel like it’s going to make us a stronger senior class and school as a whole,” said Chris Davis, an Arapahoe senior who helped organize the fundraising effort.

Redmond, the fellow student, said that he spoke to Pierson as recently as Monday and talked to him about returning to the debate team.

“I did try to help him and didn’t get to him,” Redmond added. “No one was able to get to him. At the end of the day, that’s what happened.”

He added: “The Karl that I knew was a good person, but obviously the Karl who came into the school on Friday was not.”

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