Within the meantime, Vogel and Dexter are hunted by a serial killer, who they initially consider is a former affected person of hers. They began to coach some random individual they initially suspected was the killer, however he was murdered too.
Because the present neared its finish, Dexter came upon the killer is definitely his murdered neighbor’s boyfriend and Vogel’s son, Oliver Saxon, who had faked his demise in a hearth. Vogel initially tried to guard Oliver as a result of she naively thought she may change him, however realized that he is a misplaced trigger and gave Dexter the go forward to slice him to bits.
Solely it was too late, as a result of Oliver slit Vogel’s throat in entrance of Dexter, taking away the one parental determine he and Deb had left.
As all of this was happening, Dexter was planning a life in Argentina with Hannah and Harrison. The one factor holding him again is his want for vengeance. And he practically satisfies that want when he strapped Oliver all the way down to a desk, solely to miraculously notice he not feels bloodlust.