<P> It is revealed to the audience that Rudy Cooper is actually the Ice Truck Killer . After attempting to kill Det . Batista , who was closing in on him , Rudy proposes marriage to Debra . But this is a ruse to kidnap her and use her as bait for Dexter . Rudy 's clues lead Dexter back to his childhood home , where Rudy is holding Debra . Dexter recalls now that he had an older brother who was also in the container when their mother Laura was murdered . Rudy Cooper is actually his older brother , Brian Moser , who was not adopted and spent much of his life in mental institutions . Like Dexter , he is a serial killer but not bound by a moral code . Rudy reveals that he has been searching for Dexter for years and was happy to realize that his younger brother was also a killer . For months now , he has been leading Dexter to him and helping his younger brother recover the memories of their shared childhood trauma . Rudy then reveals a room covered in plastic , where an unconscious Debra is naked and taped to a table . Rudy has arranged the room to be just as Dexter prefers for his own kills , and says that they will kill Debra together to cement their bond as brothers . Dexter says he wo n't kill Debra and Brian protests that his brother `` ca n't be a killer AND a hero . '' Dexter saves Debra from Brian just as she wakes up and Brian escapes as the police arrive . </P>
<P> It is revealed to the audience that Rudy Cooper is actually the Ice Truck Killer . After attempting to kill Det . Batista , who was closing in on him , Rudy proposes marriage to Debra . But this is a ruse to kidnap her and use her as bait for Dexter . Rudy 's clues lead Dexter back to his childhood home , where Rudy is holding Debra . Dexter recalls now that he had an older brother who was also in the container when their mother Laura was murdered . Rudy Cooper is actually his older brother , Brian Moser , who was not adopted and spent much of his life in mental institutions . Like Dexter , he is a serial killer but not bound by a moral code . Rudy reveals that he has been searching for Dexter for years and was happy to realize that his younger brother was also a killer . For months now , he has been leading Dexter to him and helping his younger brother recover the memories of their shared childhood trauma . Rudy then reveals a room covered in plastic , where an unconscious Debra is naked and taped to a table . Rudy has arranged the room to be just as Dexter prefers for his own kills , and says that they will kill Debra together to cement their bond as brothers . Dexter says he wo n't kill Debra and Brian protests that his brother `` ca n't be a killer AND a hero . '' Dexter saves Debra from Brian just as she wakes up and Brian escapes as the police arrive . </P>
who is the ice cream truck killer in dexter
who is the ice cream truck killer in dexter
Rudy Cooper
Rudy Cooper