By the time it gets to that point, they've certainly squandered a lot, but don't you wonder at all about what came before? How did they get to the point of breaking into houses with guns? What went wrong?
Cry me a River! <s>
What went wrong? Simple - the killer elected to break the most basic laws of society. He made a choice.
Our country has spent a substantial amount of money trying to figure out "what went wrong".