Yep - behind the counter - on duty in the medical exam facility - just the way it would be, right, given that the shooter is a military doctor.
Seems to me, it’s a part of the master plan:
“those who cure you will kill you”
http://www.google.com/search?hl=en&source=hp&q=%22those+who+cure+you+will+kill+you%22&aq=f&oq=&aqi=