Next time something like this happens to you call the cops and call for pizza delivery. See which gets there first. Police do not prevent crimes, they come after the fact and take reports to turn over to insurance companies. Nice if you have insurance and no deductible. The best crime prevention is an armed and vigilant populace.
Hey, now there's an idea, don't call 911, call one of those pizza guys who carries! Help will be there guaranteed, in 30 minutes or less, or else your pizza is free!