That was soo wrong. I understand why wants to be a YouTube star, you can monetise it. But a shortcut like this, a very dangerous one too, is just... I don't even have the word.
Sadly, laws almost everywhere will put the blame on the one who pulled the trigger even though it was clearly a prank gone wrong -- no ill intentions or anything.
I hope their children won't be left without their mother too, if the court decided to imprison her. :(