Never heard of suicides at the gun range? There was the mother son duo..i think there was one in Vegas.
Mother / son
http://www.nbcnews.com/id/30109090/ns/us_news-crime_and_courts/t/mom-kills-son-then-self-shooting-range/#.U_1RkGRdWHc
Another suicide:
http://www.tampabay.com/news/publicsafety/pinellas-park-police-investigate-suicide-at-gun-range/2154047