“The linked AJC is woefully short on information.”
My guess is that this kind of thing happens so often it’s not really “news” and so ranks as only a little filler article that requires just a paragraph or two.
Was it "trespassing"?
Any B&E, initially for the bathroom (I may be crediting them too much not to use the pool...), but once breeched, I'm sure it was a free-for-all: booze, towels, food, electronics, a bent nickel, whatever?
Was [the ghost of] Carl Rowan involved, otherwise, what started the fusillade?