“…Some of the perpetrator’s characteristics found in the literature are impulsivity, hostility, fear of social rejection, antisocial, and illegal behaviour [ 15 , 16 ]. At the family level, the perpetrator is affected by parental relationships, parental monitoring, and unfavourable parenting [ 17 , 18 , 19 ]; the latter is also connected to being a victim of violence [ 13 ]. Other risk factors for being a victim and perpetrator of violence are school size, school climate, disorder and school safety [ 20 , 21 , 22 , 23 ]; and at the community level, crime and economic deprivation [ 18 , 24 ].…”