“…Given the importance of violence and co-offending for recruitment into the mafias (Savona et al, 2017), we grouped all “murder,” “robbery,” and “assault and violent” offenses in order to compute the number of violent offenses prior to recruitment. We decided to focus on the impact of engaging in violence on the recruitment age because violence is a prominent feature of mafia activities (Arlacchi, 1994; Blok, 1975; Gambetta, 2009), and it is especially important in the context of group crime since it is facilitated by the presence of co-offenders (Conway & McCord, 2002; Lantz, 2020; McGloin & Piquero, 2009). Moreover, recent research on gangs has analyzed the variation of violence among gang members in order to understand the different reasons for joining a gang (Wu et al, 2022).…”