Mass Casualty Incidents | News | Operations | Slideshow

Shooting at Oregon Community College

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Oregon School Shooting

Police search students outside Umpqua Community College in Roseburg, Ore., Thursday, Oct. 1, 2015, following a deadly shooting at the college. (Mike Sullivan/Roseburg News-Review via AP)

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APTOPIX Oregon School Shooting

Authorities carry a shooting victim away from the scene after a gunman opened fire at Umpqua Community College in Roseburg, Ore., Thursday, Oct. 1, 2015. (Mike Sullivan/Roseburg News-Review via AP)

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Oregon School Shooting

Police search students outside Umpqua Community College in Roseburg, Ore., Thursday, Oct. 1, 2015, following a deadly shooting at the southwestern Oregon community college. (Mike Sullivan/Roseburg News-Review via AP)

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Oregon School Shooting

Paramedics return to their ambulances after delivering patients to Mercy Medical Center in Roseburg, Ore., following a deadly shooting at Umpqua Community College, in Roseburg, Thursday, Oct. 1, 2015. (Aaron Yost/Roseburg News-Review via AP)

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Oregon School Shooting

A patient is wheeled into the emergency room at Mercy Medical Center in Roseburg, Ore., following a deadly shooting at Umpqua Community College, in Roseburg, Thursday, Oct. 1, 2015. (Aaron Yost/Roseburg News-Review via AP)

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APTOPIX Oregon School Shooting

Friends and family are reunited with students at the local fairgrounds after a deadly shooting at Umpqua Community College, in Roseburg, Ore., Thursday, Oct. 1, 2015. (AP Photo/Ryan Kang)