Who killed Sergeant Doakes?

Lila finds Doakes imprisoned in the cabin, and realizes that Dexter is the Bay Harbor Butcher. She ignores his pleas for help, and kills Doakes by setting the cabin on fire.

Why was Doakes written off Dexter?

Anyway, in the context of the show, Doakes was killed because Lila was nuts. She was totally obsessed with Dexter, and since Doakes was standing in the way, she had to kill him. Doakes could have told everyone that Dexter was actually the serial killer, and sent him to prison.

Was Sergeant Doakes a killer?

Doakes’s incinerated remains are found along with the dismembered body of Jose Garza, and so the case is closed, with the official conclusion being Doakes was the Butcher. Later on, Lila attempts to burn Dexter along with Rita’s children, but he survives and murders Lila, citing Doakes as a reason.

Does Sergeant Doakes come back?

Sergeant James Doakes (Erik King) appears in Dexter seasons 1 and 2 and then makes a few appearances later down the line via flashbacks.