Colorado School Shooter Bowled Alone, Then Entered Unlocked Door


Karl Pierson, the 18-year-old student who fatally shot a classmate at Arapahoe, Co., High School this month, entered through a door that should have been locked but instead was propped open, the Denver Post reports. County Sheriff Grayson Robinson said the set of double doors was commonly left unlocked for easier access. A lock might not have deterred Pierson, who packed a shotgun, a machete, Molotov cocktails and more than 125 rounds of ammunition during the Dec. 13 attack. “The murderer was intent on executing his violence,” Robinson said. “He would have found a way to enter that school.”

Robinson and other officials held an hour-long news conference without referring to Pierson by name. The sheriff repeatedly called him “the murderer,” acting on a promise he made never to use the gunman’s name in public. Pierson shot Claire Davis at point-blank range after entering the unlocked door, then headed toward the library, where authorities said he meant to kill librarian and debate coach Tracy Murphy. He instead turned the shotgun on himself. Pierson went bowling alone on the morning of the shooting, had a meal and took steps to buy more ammunition, Robinson said. Initial reports — later disputed — suggested that the Columbine High School killers also went bowling on the day of the 1999 attack — inspiring the title of the movie “Bowling for Columbine.” District Attorney George Brauchler said, “The outcome may be there simply isn’t anything that could have been done differently.”

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