for resource procurement or defense, bearing the stamp of group approval, are viewed as legitimate (quasi-legal). At the same time, it is exactly the behavior deviation characteristics that led to marginalization in the first place, related to behavior (dys)regulation, that become normative and promoted in the gang environment as a constructive necessity: because the goal is to recreate a society, the differences from the mainstream tend to be viewed with the sign opposite to the mainstream's. Notably, behaviors characterized as rule-breaking (obviously, the mainstream society's rules are meant) and aggressive are highly genetically correlated in children (Bartels et al., 2003).
