"The victim’s mother, Gina Jones, said her son was in good physical shape. He stood about 6-foot-1 and weighed about 140 pounds, she said."
That's awfully skinny for that height, isn't it? My guess is that he died of an aortic aneurysm. They're not unheard of in tall skinny people. A friend of mine died of one when he was 27.
6' 1" and 140 pounds is like borderline underweight. Still, it's most definitely the fault of the boot camp that the kid was so thin, right? Of course it is.