In some communities, these groups have become popular and assist in alerting the police to possible crimes or criminals in the area.

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Citizen patrols are groups of volunteers who patrol their own communities, often on foot or in vehicles, to deter criminal activity and to report possible crimes and suspicious behavior to the police. They offer an extra set of eyes and ears to law enforcement and can help increase safety in their neighborhoods. Vigilantes refers to individuals who take the law into their own hands without legal authority, citizens action is a more general term that could refer to any kind of civic engagement or activism, and Amber Alerts are specifically related to missing children.

In Some Communities, These Groups Have Become Popular and Assist