Ciudad Juarez is the second largest Mexican border city and one of most violent cities worldwide. Over the past five years, it has suffered from a dramatic wave of homicidal violence related to organized crime. Residents have reacted in different ways to such violence: some have migrated whereas others have decided to stay and organize against it. This is an empirical study of community organization for crime prevention. This study found some of the factors that facilitate and impede community organization against crime. The results constitute a first step in the empirical study of community organization for crime prevention in Mexico.