This is exactly how you don't defend your home, property or whatever.
http://www.foxnews.com/us/2017/04/04/washington-state-man-arrested-after-killing-intruder-in-shower-police-say.html
http://www.foxnews.com/us/2017/04/04/washington-state-man-arrested-after-killing-intruder-in-shower-police-say.html