Summary: Former airman Dean Allen Mellberg, 20, opened fire inside a hospital at the Fairchild Air Force Base before he was shot dead by a military police officer outside.
Weapon: One rifle (assault)
Age of Shooter: 20
Mental Health Details: Yes
Sources: http://articles.latimes.com/1994-06-22/news/mn-7137_1_air-force; http://www.nytimes.com/1994/06/22/us/an-airman-s-revenge-5-minutes-of-terror.html
mental Health Sources: http://articles.latimes.com/1994-06-22/news/mn-7137_1_air-force