Colorado school shooting: New video shows the scene

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Colorado school shooting: New video shows the scene

Colorado school shooting: New video shows the scene
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Colorado school shooting: New video shows the scene

by CBSTV Videos 2:36 mins

New cell phone footage obtained by "CBS This Morning" shows the scene, inside Arapahoe High School, when disgruntled debate student, Karl Pierson, opened fire last week. CBS Denver station KCNC's Lane Lyon reports.

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