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This paper examines the early precursors of organized criminal subcultures using the U.S.-Mexico border city of El Paso, Texas as a case-study. El Paso is known as the birthplace of the pachuco; the Mexican Americans' original street-oriented subculture. It formed the basis for the numerous delinquent groups that would emerge there throughout the decades, ultimately producing a binational organized crime syndicate called the Barrio Azteca. This barrio-prison-cartel hybrid is a modern group with deep roots in the street-gang subcultures of the region. The current study shows that its ties to drug gangs in Ciudad Juárez and subsequent federal prosecutions were recent catalysts in its escalation as a unique cross-border entity. The work is informed by archival material, police data, and multi-faceted fieldwork with gang members and police. It illustrates how the El Paso-Juárez metroplex has fostered particular criminological dynamics not seen in any other place in the U.S. to date. [ABSTRACT FROM AUTHOR]

Children in low-income neighborhoods tend to be disproportionately exposed to environmental toxicants. This is cause for concern because exposure to environmental toxicants negatively affects health, which can impair academic success. To date, it is unknown if associations between air toxics and academic performance found in previous school-level studies persist when studying individual children. In pairing the National Air Toxics Assessment risk estimates for respiratory and diesel particulate matter risk disaggregated by source, with individual-level data collected through a mail survey, this paper examines the effects of exposure to residential environmental toxics on academic performance for individual children for the first time and adjusts for school-level effects using generalized estimating equations. We find that higher levels of residential air toxics, especially those from non-road mobile sources, are statistically significantly associated with lower grade point averages among fourth- and fifth-grade school children in El Paso (Texas, USA). [ABSTRACT FROM AUTHOR]