My deepest feelings to the father. But as a fellow firearm enthusiast I can't blame anybody for this tragedy, accidents do happen, even at gun ranges. Example, about a month ago my father(also a firearm ehthusiast) and I were at the range, as we usually are about once a month, and the guy in the next booth is haveing problems with his SKS jamming. My father and I both new what the problem was nearly immediently(both having owned SKS's), he had bought laqured 7.62x39 shells for the rifle. Now those shells may have worked for a AK, but not a SKS. The reason is after a few rounds go through the chamber, of the SKS, the laqure will come off and stick on the insides of the loading chamber, making the spent shells not want to eject easily(thereby jamming the rifle). So I came over first and asked the guy if he wanted advice. He said "Sure this is my first SKS, and the shells kept jamming on him". Then my father came over poped the remaining bullets out then proped the rifle up, Not Pointed At Anyone, and proceeded to pull the bolt back to try to eject the shell(At the time we both thought it was a spent shell). The bolt was fairly hard to pull, then pop! My father had the bolt pulled halfway back when the bolt slipped out of his hand, slide forword and fired off the live shell that was in the barrel. Thankfully the bullet went forword at a 45 degree angle away from the firing line, and nobody was injured, we were a bit startled though.
Anyway that long story just goes to show that accidents do happen. You could have all the licensed instructors and take all the correct safety measures, but accidents do happen.
P.S. My father started to show me how to use firearms when I was 6, I started out with a Red Ryder pellet rifle and by age 8 I was useing a 10-22 Ruger. I would however on occasion get to shoot my fathers larger firearms like the S&W 9mm and Remington 12gu. Shooting guns at paper targets is a childrens sport, just like soccor, baseball, boyscouting(not really a sport i know). I know because I was there at that age, as I was with soccor, baseball, and boyscouting. You see my father tried to get me involved in many sports to see what I liked doing, and thats what I bet Charles Bizilj was trying to do with his son.
Oh by the way, new to the site(great site). I don't believe iv'e got my profile set up yet, so this may look alittle bare.