<P> While Dexter considers that he must be held responsible for his crimes , Lila takes the GPS device from Dexter 's car and uses it to locate the cabin . She finds Doakes , who explains that he is a prisoner of Dexter Morgan , the Bay Harbor Butcher , and needs help . Deciding she now understands Dexter and must help him , Lila leaves Doakes imprisoned and then lights the cabin 's gas stove and opens a propane tank . She leaves and Doakes fails to escape , dying in the explosion . Finding Doakes ' body and the other evidence Dexter left behind , the FBI concludes that Sgt . Doakes was indeed the Bay Harbor Butcher . </P>
<P> While Dexter considers that he must be held responsible for his crimes , Lila takes the GPS device from Dexter 's car and uses it to locate the cabin . She finds Doakes , who explains that he is a prisoner of Dexter Morgan , the Bay Harbor Butcher , and needs help . Deciding she now understands Dexter and must help him , Lila leaves Doakes imprisoned and then lights the cabin 's gas stove and opens a propane tank . She leaves and Doakes fails to escape , dying in the explosion . Finding Doakes ' body and the other evidence Dexter left behind , the FBI concludes that Sgt . Doakes was indeed the Bay Harbor Butcher . </P>
who gets blamed for the bay harbor butcher
who gets blamed for the bay harbor butcher
Sgt . Doakes
Sgt . Doakes