is it normal to be angry and want to kill people for no reason

I felt the same way when I was a Teenager and what you can do to help is think of the worst outcome of the thing that you want to do and think that is what has happened and what you would feel if it happened I know it sounds corny but it stoped me from pushing my little sister into the pool when she couldent swim and it was only me home so it saved a life try it next time it will give you what you need to stop