tendency to be in scantily-clad clothing in public leads to some issues with her brother, due to their age difference. Dexter hires Jamie as a nanny for Harrison in season 6, who quickly grows to like her. Jamie regularly works long hours for Dexter, allowing him to continue his murders. She had begun to build a relationship with Masuka's third intern, Louis Greene, a game developer. While Jamie attempts to get Batista to accept him, he attempts to scare him away when she is away at dinner. After Dexter mails Louis' secret video of Louis with a prostitute to Jamie, she breaks up with Louis. In season 8, she begins a relationship with Joey Quinn. Despite trying to keep it a secret, her brother Angel finds out. Meanwhile, she attempts to set Dexter up with his neighbor Cassie, shortly before Cassie is murdered by Daniel Vogel. Jamie takes a brief break from working with Dexter, mourning the loss of her friend. Joey breaks it off with Jamie after he accepts that he has still not gotten over Debra, which infuriates Jamie. Tom Matthews Geoff Pierson (season 8; recurring seasons 1–2, 4, 6–7; guest season 5) Thomas "Tom" Matthews is a high-ranking Miami Metro PD police official who serves as its deputy chief. Previously, he served as commanding officer of Miami Metro PD Homicide Division and the immediate superior of Lieutenant María LaGuerta. Before this, he was a lieutenant himself, serving as the superior to Harry Morgan, as well as his best friend. When Harry committed suicide, seemingly disillusioned from witnessing too many failures in the justice system, Matthews used his influence to bury any indication of suicide as well as kept his promise to Harry to look after Dexter and Debra. Matthews is portrayed as having flaws: nominal racism and serious political ambition, neither of which are ever shown in the novel series. While having originally promoted LaGuerta, he frequently clashed with her, trying to keep her focused on hunting the Ice Truck Killer correctly. He later fails to take his own advice, as when Neil Perry was mistakenly arrested and Matthews received all the praise, he went so far as to attempt to bury any evidence to the contrary. Seeing the investigation was being jeopardized LaGuerta revealed that several mistakes during the Ice Truck Killer case had been made, landing Matthews into serious possible trouble. Due to the fact