In a checkout line , Veronica and Mac ( Tina Majorino ) discuss her relationship with Piz and what her FBI internship will mean for them . They then see someone getting arrested by the campus police for a fake debit card . Weevil injures himself , but finds himself unable to receive adequate benefits . Veronica gets Piz to accept her leaving for the internship . At the Sheriff ’ s station , Weevil is called out by several students as being the one who gave them the fake cards . Weevil is put in the jail cell , but he tells Veronica that he think they targeted him after he was showcased in the criminology class . She investigates several of the owners of the student IDs , who do seem genuine in accusing Weevil . Weevil gets bail , but Keith informs him that a student ID printing machine was found in the locker next to Weevil ’ s . Veronica and Wallace speak to a mechanical engineering professor , who says that it would be impossible for Weevil to be the culprit . Piz invites Keith to appear on his show in an election special before Keith informs Veronica that Weevil ’ s fingerprints were found all over the investigation .