High-profile violent incident in school

Description

INCLUDE THESE TWO VIDEOS IN THE ESSAY AND CITE THEM. THIS IS ASIDE FROM THE TWO SOURCES REQUIRED. AND ANSWER ALL THE QUESTIONS ASKED
VIDEO 1: Title: Teachers Taught to Look for Mental Illness in Students
Date: Aug 25, 2013
VIDEO 2: YouTube URL: http://www.youtube.com/watch?v=UA6Yq8tNQdg
Search the Internet for a high-profile violent incident that occurred at a school in the United States.
Describe the incident (include the URL link for classmates). (Cite your source.)
ANSWER THE FOLLOWING QUESTIONS
What factors led to the incident?
Could the incident have been prevented? Explain.
Was the security at the school sufficient? (What level of security was in place? What more could have been done?)
What level of security would you recommend be in place at schools (elementary, middle, and high school)?
Could the Columbine massacre have been prevented? Explain.

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