Mia Benitez

Mia Benitez is a young woman who forms a relationship with J when he becomes affiliated with her uncle's gang.

Season 2
At the end of season 2, Mia fatally shoots Baz on behalf of Smurf.

Season 3
In season 3, J becomes affiliated with Mia due to Smurf having J pay Pete's gang to protect her in prison. The two become romantically involved, causing J to neglect his relationship with Nicky Belmont while flashbacks identify Mia as Baz's killer. At the end of the season, Smurf hires Pete's gang to murder Lucy for her and Mia once again carries out the hit. Mia's old boyfriend Tupi also returns to town and she begins sleeping with him behind J's back.

Season 4
In season 4, J and Mia's relationship becomes strained while she begins plotting with Tupi to rob J. Fed up with J's demands on her, Mia uses him as her getaway driver as she murders one of Tupi's friends to demonstrate to J what it is she really does. Enraged, J ends their partnership for good and Tupi assaults him for upsetting Mia. The two subsequently rob J and wreck his house, leaving Mia smug when he confronts her about it.

Things come to a head when Mia and Tupi rob the Codys after they pull a job and Tupi taunts J's uncles to tell their nephew that he said hello. J reports Mia and Tupi's activities to an outraged Pete who confronts the couple and kills Tupi after finding evidence of their crime. After expressing his disappointment to Mia, Pete leaves her fate in J's hands rather than try to protect her. Mia attempts to convince J to continue working with her, using Mia as an enforcer to do his dirty work, but J is unmoved. Mia finally confesses to murdering Baz for Smurf as proof of why he shouldn't trust his family, but J is unmoved. J shoots and kills Mia, avenging Baz's death. J pays Pete to dispose of her and Tupi's bodies with Pete expressing surprise that J had it in him to kill somebody in cold blood.