Over the past few years, the phenomenon of youth gangs has spawned its own field of criminology—part social science, part political spectacle. Police have been declaring war on gangs for decades, officials have deployed social workers, teachers and "gang specialists" in the fight; think tanks have churned out reams of research on the sociology of gang violence... and yet gangs continue to proliferate and thrive.
Sarah Garland, in an article in the American Prospect (an excerpt of her book Gangs in Garden City), parses the roots of the gang boom, focusing on the burgeoning Latino community in Hempstead, Long Island. The story of Jessica begins with a stereotypical pathology:
Until middle school, Jessica had lived in a house that neighbors dubbed the "crack house" for its often drug-addled residents and visitors. Her uncles were members of Mara Salvatrucha, a gang originally formed in Los Angeles by refugees of Central America's civil wars, and Jessica's living room was one of their main hangouts.