The demand for guns is fueled by an atmosphere of danger, made up of gangs, expanding drug markets with high intrinsic levels of violence, high rates of adult violence and fatalities, and cultural styles of gun possession.
You might say that violence is the direct result of a combination of biological, social, and psychological circumstances, particularly those that increase exposure to vulnerability, shame, and humiliation.
Children as well as as adolescents do not have to be victims of violence to experience trauma. This trauma can have its origin from multiple sources, for example exposure to gang activity, witnessing a shooting or other violent crimes or the death of a friend or family member.
There has been what appears to be a continuous wave of killing by police in cities such as Baltimore, New York, Ferguson, Missouri, and in other cities. These killings raise questions about law enforcements' use of lethal force, primarily upon Black men as well as other minority groups.