“…These include several externalizing spectrum behaviors such as alcohol, marijuana or other drug use, selling drugs, aggression, fighting, and gang affiliation and peer misbehavior (Braga, 2012;;Kulig, Valentine, Griffith, & Ruthazer, 1998;Lizotte, Krohn, Howell, Tobin, & Howard, 2000;;Vaughn, Perron, Abdon, Olate, & Wu, 2012). The co-occurrence of handgun carrying and externalizing behaviors is consistent with several general theoretical explanations that emphasize deficits in impulse control Gottfredson & Hirschi, 1990;Moffitt, 1993).…”