This video provides the actual context for Napolitano's "the system worked" observation. The comment was about the response to the incident after it happened and not about the preventative measures that should or should not have been in place beforehand. The outrage that is being targeted at it, and her, is intentionally misplaced.

How does dishonest political point scoring help keep this country safe? It doesn't. It contributes to confusion at a moment where clarity is needed. Those who would muddy our thinking for their own private ends are a wicked host indeed.

"System worked" comments being taken out of context.