Gangs are social groups which perpetrate social evils resulting to a lot of social problems like insecurity, increased crimes, and unhealthy growing environment for our children. A gang can be defined as a group of individuals with an assemblage sharing a common identity. Gangs have been a major phenomenon in our urban life since 1830s, perpetrating varied criminal activities like drug trafficking, robbery and others with a lot of violence. However in the recent past, gangs have penetrated to all areas of our life, including our schools, raising fear of gang violence continuity, and making gang violence one of the major problems that communities around the world are facing. Gangs are social groups perpetrating social evils which result to social problems.