I've been debating for some time whether to post this or not. I see no one else ever has and we can never be too safe or read too many warnings. I guess.
+++++
Just a matter of when
No "it just went off" excuses… an experienced shooter's cautionary tale
http://www.thegunzone.com/nd.html
Cliff's notes: 15 year experienced guy shoots himself with Glock after forgetting a round was chambered.