Such programs have been started all over the country. Maybe one already exists in your community. They don't ask anyone to take personal risks to prevent crime. They leave the responsibility for catching criminals where it belongs - with the police. You cooperate with your neighbors to report suspicious activities in the neighborhood, to keep an eye on homes when the resident is away, and to keep everyone in the area mindful of the standard precautions for property and self that should always be taken.
Criminals avoid neighborhoods where such groups exist.
What to do in an emergency. How to best identify a suspicious person. How to identify a vehicle being used in a suspected criminal activity. Signs to watch out for before entering a house or apartment that may be in the process of being burglarized. What to do in case of injury.