Editing École Polytechnique massacre (section)

===Emergency services response===
Emergency response to the shootings was harshly criticized for failures to protect the students and staff. Security guards at the École Polytechnique were poorly trained, organized and equipped.<ref name=":5">{{Cite book|last=Boileau|first=Josée|url=https://books.google.com/books?id=aHwpEAAAQBAJ&pg=PT111|title=Because They Were Women: The Montreal Massacre|date=2020|publisher=Second Story Press|isbn=978-1-77260-143-5|pages=107–108|language=en|access-date=January 4, 2022|archive-date=January 4, 2022|archive-url=https://web.archive.org/web/20220104150243/https://books.google.com/books?id=aHwpEAAAQBAJ&pg=PT111|url-status=live}}</ref> Communication issues at the 911 call centre delayed the dispatch of police and ambulances, who were initially routed to incorrect addresses.<ref name=":6">{{Cite book|last=Boileau|first=Josée|url=https://books.google.com/books?id=aHwpEAAAQBAJ&pg=PT32|title=Because They Were Women: The Montreal Massacre|publisher=Second Story Press|year=2020|isbn=978-1-77260-143-5|pages=34–37|language=en|access-date=December 30, 2021|archive-date=August 22, 2023|archive-url=https://web.archive.org/web/20230822011622/https://books.google.com/books?id=aHwpEAAAQBAJ&pg=PT32|url-status=live}}</ref>

The police officers were disorganized and poorly coordinated. They established a perimeter around the building and waited before entering the building. During this period, the gunman killed several women.<ref>{{cite news|url=http://www.cbc.ca/news/background/realitycheck/sheppard/20060915.html|title=A sea change in police tactics when it comes to gunmen|last=Sheppard|first=Robert|date=September 15, 2006|access-date=December 29, 2006|publisher=[[CBC News]]|archive-date=May 12, 2012|archive-url=https://web.archive.org/web/20120512120956/http://www.cbc.ca/news/background/realitycheck/sheppard/20060915.html|url-status=live}}</ref><ref name=":6" /> Three official investigations severely condemned the emergency response.<ref name=":5" /> 

Following subsequent changes to emergency response protocols,  police handling of the 1992 [[Concordia University massacre|shootings at Concordia University]], the [[Dawson College shooting]] in 2006, and the 2014 [[2014 shootings at Parliament Hill, Ottawa|attack on Parliament hill in Ottawa]] were generally praised.  In these incidents, the police conducted rapid and immediate intervention, and improved coordination amongst emergency response agencies was credited with minimizing the loss of life.<ref name="Dawson">{{cite news |url=http://cnews.canoe.ca/CNEWS/Canada/2006/09/14/pf-1839448.html |title=Lessons learned from 1989 Montreal massacre help save lives at Dawson college |last=Rakobowchuk|first=Peter|date=September 14, 2006|newspaper=[[The Canadian Press]]| access-date=December 28, 2006|archive-url=https://archive.today/20130115093944/http://cnews.canoe.ca/CNEWS/Canada/2006/09/14/pf-1839448.html|archive-date=January 15, 2013|url-status=usurped|df=mdy-all}}</ref><ref name=":5" />