Soldato
But that is my point. He DID intend to kill the person behind the door. His actions display this. There is no other possible reason or explanation for firing four shots through a door that you know someone is standing behind.
Yes there is, fear and panic.
In the heat of the moment, when you're scared for your/your family's life, still bleary from having just woken up, it's entirely possible you would do the first thing that came to mind, without fully considering the consequences.
Not saying that is what happened in this case, as there are too many other factors that don't quite add up, but it's certainly not an impossible scenario.