Or you can walk on up to the door while he follows you with gun drawn.
I'm genuinely not sure whether you thought this was a good thing because superficially it looks more secure or a bad thing because in reality the ways of circumventing it are worse than the original problem.
Not to rain on your parade but back-alley surgery or abduction is an option. I for one prefer being robbed than diced up.
Nowhere in my contract was "dying for my employer" written, so I would rather not.
That does not end up as a better alternative...
Anyone else reminded of that escape scene from Demolition Man? :-)