Columbine principal: Not again Published 2012-12-14 Download video MP4 360p Download video MP4 720p Recommendations 12:21 Haunted by Columbine | Retro Report Documentary | The New York Times 13:16 Four Columbine High School teachers were students the day of the April 20, 1999 shooting 08:28 20 years later: Columbine survivor Sean Graves shares his story 10:58 Ripples of Columbine: Heather Martin 02:48 Retiring Columbine principal remembers massacre 46:09 Untold Stories of Columbine (2000) | Full Movie 05:44 Former Columbine principal reflects on shooting more than 23 years later 16:29 Columbine High School Principal Frank Deangelis Talks Columbine Massacre, Gun Laws & New Book 26:46 Ripples of Columbine 06:17 Columbine's Chilling Legacy 03:53 Former principal Frank DeAngelis on a mission to guide schools in a post-Columbine world 36:48 Columbine: 20 Years Later (Extended Cut) 15:55 Ripples of Columbine: A.J. DeAndrea 04:57 Families of Columbine shooting victims ask for a focus on positive changes: Go behind the story 09:58 Ripples of Columbine: Makai Hall 09:12 Former Columbine student reflects on killers' red flags 21:11 Columbine shooting survivors, families reflect on life 20 years later 04:03 Columbine survivor hopes documentary will help others 08:04 Kids Meet a School Shooting Survivor | Kids Meet | HiHo Kids 03:33 Ripples of Columbine: Frank DeAngelis Similar videos 00:49 Columbine principal announces retirement 03:55 Columbine Principal keeps his 15-year promise 05:53 Retired Columbine High School principal on returning to school after tragedy 02:06 Columbine principal: 'Enough is enough' 02:03 Retired principal of Columbine High School has mission to end school violence 01:20 Former Columbine principal Frank DeAngelis reflects on 20 years since the shooting 03:26 Lessons learned from Columbine High massacre 03:48 Former Columbine High School principal reacts to Texas school shooting 02:16 Columbine survivor on going back to school 06:23 Former Columbine principal Frank DeAngelis shares perspective after Texas elementary school shooting 08:48 Former Columbine principal Frank DeAngelis reacts to mass shooting in El Paso 02:26 Former Columbine High School principal speaks on Boulder shooting 05:05 Former Columbine HS principal strong supporter of reinstatement of school resource officers 04:34 Columbine shooting survivors reflect 20 years later 04:30 Former Columbine principal on survivor's guilt, healing | Morning in America More results