Dexter (episode)
Dexter is contacted by his foster sister Debra (Jennifer Carpenter), a vice officer in the Miami Metro Police Department. Dexter, a blood spatter analyst for the department, assists Debra in investigating an apparent serial killer targeting prostitutes. Dexter examines the latest victim and is shocked to find no trace of blood on the dismembered corpse. At the police station, Dexter discusses another murder case being handled by James Doakes (Erik King), a detective who dislikes him. Later, Dexter watches Jamie Jaworski, a murderer who escaped justice due to a faulty warrant, and breaks into his home to find evidence. Once he confirms that Jaworski is guilty, Dexter meets with his girlfriend Rita Bennett (Julie Benz), a former victim of domestic abuse victim; Rita has two young children, Astor and Cody. While on a date with Rita, Dexter finds another murder scene with no traces of blood, this time with the victim's head missing. Dexter theorizes that the killer murders his victims in extreme cold, explaining the absence of blood, and might be using a stolen refrigerated truck. Dexter allows Debra to pitch the theory, but their superior officer, Lt. María LaGuerta (Lauren Vélez), dismisses it.
Dexter Hartman
In an interview with "All About Soap", Best revealed that Dexter is delighted when they move to Walford. "He's looking forward to moving there, because it's a new start for him." Dexter, who has been having some difficulties, but with this move to Walford, "he's coming out on top now." Newman revealed that the characters would be involved in a storyline with Bianca Jackson (Patsy Palmer) in 2013, which would help familiarise them with the Square. The executive producer also discussed plans to set Ava and Dexter up as a "unit." The writers introduced the character gradually, with viewers seeing the character in "small doses," which Best appreciated. In an early storyline, Dexter reconnects with a former friend and gang member from his past who has taken an interest in the young Liam Butcher (James Forde), Bianca's son. According to Best, Dexter's involvement in the storyline provides insight into what Dexter could have been, had his life turned out differently. Dexter's friendship with Lola however seems to be much more. Though Best was not aware of any potential plans to pair the characters, he believed Dexter liked Lola because she is a "real, genuine person."