Sheriff: Armed school resource officer "never went in" to building in Florida mass shooting

https://nypost.com/2018/02/23/four-sheriffs-deputies-hid-during-florida-school-shooting/
https://www.myplainview.com/news/education/article/
https://www.cbsnews.com/news/sheriff-armed-school
 https://www.cbsnews.com/news/florida-school-sho
 https://www.nbcnews.com/video/deputy-at-parkland-s
 http://www.sun-sentinel.com/local/broward/parkla