I have known a couple people that have been shot several times (and survived) that in the heat of the moment due to drugs, alcohol and adrenaline were unaware that they were shot. Never assume that one shot one kill unless you are professionally trained, under ideal circumstances and lucky that day. Two shots center mass and one to the head raises your chances of success, it is called the Mozambique drill. You sound like you have watched too many action movies and played too many video games. Maybe you should get out of your mothers basement more often.