[snip]
I'd just like to point out Paul, that while we may rely on police to
handle crimes in the real world, we still lock our doors.Jamie Bowden
Indeed.
And good neighbors usually alert the police when someone is
breaking into their neighbor's house -- it's called "community
watch."
Alternatively, some people also call the cops when someone is
firing a sniper rifle from a neighboring house into the
surrounding neighborhood, as well. 
- ferg