Dexter is a forensic blood spatter expert for the Miami Metro Police Department. Based on a code given to him by his foster father, Harry, he survives ethically as a serial killer. He utilizes his expertise, often withholding evidence from the police so he can solve murders and kill the killers either before they kill again, or before they are caught by the police.
Doakes enlisted in the Army, and ascended to become an operative in Special Forces. After spending many years in black operations, Doakes gave up his promising military career, electing instead to use his renowned skills to help innocent civilians. In the course of his career, Doakes's career ground to a halt when he received excessive force citations and proved he did not work well with others (apart from leading them). Doakes had a relationship with LaGuerta, who he made a point of listening to, and was partners with her, but their partnership ended when LaGuerta arrested a high-profile drug dealer in a drug bust and got promoted (though this only happened by chance - Doakes did the work and LaGuerta only happened to catch him escaping), though Doakes wasn't bothered by that.
Doakes was the only one on the force who didn't like Dexter (as he "gave him the creeps"); the cheery, innocent-seeming young man gets on his nerves, and what irritated him even more was that Dexter was (and still is) usually right about cases, being in the right place at the right time. Nevertheless, Doakes kept his opinions of Dexter to a minimum and respected his forensic skills. Ultimately, however, Doakes's temper and paranoia regarding Dexter was driven to breaking point when he realized Dexter withheld vital information on the Ice Truck Killer case, to the point he is driven to physically attack him, only for Dexter to expertly fight back (courtesy of him practicing martial arts - explaining his skill in hand to hand combat) and could have broken Doakes' arm (had they not been interrupted). LaGuerta attempted to put an end to any official questioning, with LaGuerta, having an affection for Dexter, telling Doakes to back off. Doakes does so, but nevertheless began following Dexter around, based on his suspicions.
Doakes ended his investigations when he found Dexter attending a Narcotics Anonymous meeting, supposedly for using heroin; Doakes erroneously believed Dexter's dark secret was that he was a drug addict; a (non-existent) drug addiction that Doakes believed was caused by work-related stress, which Doakes knew about - having seen many policemen led down the same path. Feeling sympathetic towards Dexter, Doakes ends his stalking (but not before telling him to "stay clean").
Later, however, Debra unknowingly revealed that Dexter doesn't so much as use cigarettes, making Doakes realize Dexter lied about having an addiction, and so resumed his stalking and even began investigating Dexter's unknown past. Dexter, taking action, drove Doakes to attack him, seemingly un-provoked, in front of everyone, leading to his suspension. Doakes was initially prepared to accept dismissal and take a high-paying security job Maria set up for him, only to begin suspecting Dexter was the notorious Bay Harbor Butcher.
Doakes, in the course of following Dexter, stumbled upon Santos Jimenez's remains and Dexter's blood slide collection box, and realized Dexter's secret - that he was the Bay Harbor Butcher. By this point, Doakes had ended up being named the prime suspect of the BHB case by Special Agent Frank Lundy due to his possession of the slides.
Doakes attempted to apprehend Dexter himself in the Everglades, but fails and Dexter locked him in Jimenez's cabin until he could decide what to do with him. In the end, Dexter decides to frame and turn in Doakes to the FBI. Lila Tourney, however, found the cabin using a stolen GPS device from Dexter, and, not possessing Dexter's moral compass, and obsessed with connecting with him, made the decision for him: after finding out from Doakes that Dexter is the Bay Harbor Butcher, she blows up the cabin by igniting propane tanks. Doakes's burned 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.
Disgraced, Doakes's funeral was largely unattended, with the exception of LaGuerta, Dexter, and Doakes's mother and sisters. Doakes was replaced as Sgt. by Angel Batista.
Sergeant Doakes Photos
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