Once when at the shopping centre with my friends son he boldly walked up to a Police officer and had the following conversation:

Mr3almost4 "Hello Mr Pleaceman"
Cop "Hello, what's your name"
Mr3almost4 "My name is ***, I'm 3 where's ya gun?" (all in one breath)
Cop "Safely at my side just incase"
Mr3almost4 "Well can I have a go, just to make sure it works"
Cop "No sorry *** that isn't very safe and its against the rules"
Mr3almost4 "Its ok, I gunna be a pleaceman when I grow up, I need to practice ya know. I wont dead anyone, just my sister and she's not a peoples shes a horrible monster"

I have never forgotten it and I'm sure the 2 police officers had their day made... he was such a matter of fact little boy.