tries to prove himself by investigating murder suspect — and Dexter's new " protege" — Zach Hamilton (Sam Underwood). The investigation puts him back in contact with Debra, and they share a kiss. Days later, he ends his relationship with Jamie, but denies that it has anything to do with Debra. When Debra returns to Miami Metro, however, they acknowledge their feelings for each other and renew their relationship. In the series' final episode, "Remember the Monsters?", Debra is shot by serial killer Oliver Saxon (Darri Ingolfson). Quinn rides with her to the hospital, where she tells him she loves him. Soon afterward, however, she has a stroke that leaves her in a persistent vegetative state. Overcome with grief and rage, he attacks Saxon in Miami Metro's interrogation room. After Dexter kills Saxon in full view of a security camera, Quinn and Batista bring him in for questioning. Dexter claims self-defense, which they both appear to accept. Quinn says that he wishes he could have killed Saxon personally; it is suggested that he knows that Dexter murdered Saxon, but considers his actions justified. Relationships Quinn is known to have very bad relationships with several women. In Season 4, Quinn dates the Trinity Killer's daughter, Christine Hill. However, this relationship ends when Christine is charged with murder for killing Frank Lundy to save her dad. He starts to have a relationship with Debra, and even proposes, but she breaks up with him because she does not want their relationship to change. He numbs the pain of that rejection with a series of one-night-stands, but by season eight is in a relationship with Jamie Batista. He ends this relationship to be with Debra, only to lose her shortly afterwards. External links Joey Quinn on IMDb Dexter (series) characters Fictional Miami-Dade Police Department detectives Fictional murderers Police misconduct in fiction Television characters introduced in 2008 Male characters in television