{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Sheriff Grayson Robinson of Arapahoe County, Colorado, says the investigation into Friday\u0026#39;s high school shooting includes a search of the home of 18-year-old Karl Pierson, who took his own life after wounding a classmate. (Dec. 13)' data-url='/boclips/videos/5c54c0d3d8eafeecae14da81' data-video-url='/boclips/videos/5c54c0d3d8eafeecae14da81' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nSheriff Grayson Robinson of Arapahoe County, Colorado, says the investigation into Friday\u0026#39;s high school shooting includes a search of the home of 18-year-old Karl Pierson, who took his own life after wounding a classmate. (Dec. 13)\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eLaw enforcement officers in Colorado have searched the home of the teenage suspect who opened fire inside his suburban Denver high school on Friday. Arapahoe County Sheriff Grayson Robinson identified the gunman as Karl Halverson...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eLaw enforcement officers in Colorado have searched the home of the teenage suspect who opened fire inside his suburban Denver high school on Friday. \u003cbr/\u003eArapahoe County Sheriff Grayson Robinson identified the gunman as Karl Halverson Pierson, 18, a senior at Arapahoe High School who participated in debate activities. \u003cbr/\u003ePierson wounded a classmate with a shotgun before killing himself. The classmate, a 15-year-old girl, was in critical condition with a gunshot wound, Robinson said. \u003cbr/\u003eAuthorities originally said a second student was wounded, but Robinson said Friday night that the other girl taken to a hospital was covered in blood from the other victim, but wasn't injured.\u003cbr/\u003eTwo suspected Molotov cocktails were also found inside the school, the sheriff said. One detonated, though no one was injured.\u003cbr/\u003eAuthorities evacuated hundreds of students in an orderly procession, a demonstration of aggressive security measures developed by police and schools following the chaotic 1999 shooting at Columbine, some 8 miles west of Arapahoe High.\u003cbr/\u003eAfter that tragedy, police across the country developed \"active shooter\" training in which responding officers rush toward gunfire, and step over bodies and bleeding victims if necessary, to stop the gunman.\u003cbr/\u003eThe first deputy sheriffs and police officers that were on scene immediately entered the school, Robinson said.\u003cbr/\u003eHighlands Ranch, Colorado - 13 December 2013\u003cbr/\u003e1. Wide of house where suspect lived\u003cbr/\u003e2. Close up of investigators walking into home\u003cbr/\u003e3. Wide of street\u003cbr/\u003e4. Close up of garage as officers walk past\u003cbr/\u003e5. SONDBITE (English) Randy Freitik, neighbor:\u003cbr/\u003e\"No, we didn't really know the family. I've seen the young man around before, in the neighborhood a lot. But no, we didn't really know them.\"\u003cbr/\u003e6. Medium of officers \u003cbr/\u003eCentennial, Colorado - 13 December 2013\u003cbr/\u003e7. SOUNDBITE (English) Grayson Robinson, Arapahoe County Sheriff:\u003cbr/\u003e\"We had one initial gunshot wound victim, and that is the young lady that is currently in critical condition. She is the only gunshot victim we had. Early on, and certainly I know that you all understand this, information is fluid and things change. The second victim that we believed to have been suffering a minor gunshot wound now in fact, and gratefully, did not suffer a gunshot wound. She had blood on her from the first victim.\"\u003cbr/\u003eHighlands Ranch, Colorado - 13 December 2013\u003cbr/\u003e8. 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