In my years as LEO I've learned that there is now room for erreos o mistates because that is what kills people or senda the wrong ones to prison YOU HAVE TO MAKE SURE YOUR RIGHT. It needs to be verifyed time and agian as for no knoks well sometimes these things need to be if a bad house has a lot of bad people with firearms in them ,are the any kids that can get in the way are the neighbors clear incase of a gun fight, and the lst goes on, THATS WHY YOU NEED TO BE RIGHT!
Pride,Integrity,and Guts---you can't have the last one without the first two.