“…Thus, although gangs are primarily ephemeral, much of what we know relies on a handful of persistent groups. The findings from these studies have revealed cohesion to be central to understanding group processes (e.g., Decker, 1996;Densley, 2015;Hennigan & Spanovic, 2012;Hughes, 2013;Klein, 1971;Sanchez-Jankowski, 1991;Short & Strodtbeck, 1965;Vigil, 1988), influencing group violence (Hughes, 2013), resilience to interdictions (Vargas, 2014), and the ability to carry out complex crimes (Tenti & Morselli, 2014).…”