Christine when Dexter tells her to leave Debra alone, as Hill claims to have wanted to do a "hero piece" on Debra. All of this leads to Quinn developing a confrontational relationship with Dexter. After Hill, revealed to be Trinity's daughter, shoots herself, he is clearly distraught. In Season 5, he strongly suspects Rita was really murdered by Dexter and not Trinity, because of subtle differences in MO and because Rita shared a kiss with the neighbor. He also believes that Dexter was the Kyle Butler that was hanging out with Arthur. He tracks down Trinity's son, hoping he can identify Dexter as Kyle, but he is stopped by the FBI and suspended by LaGuerta. Unable to continue, Quinn hires Stan Liddy to investigate Dexter. After a one-night stand with Debra, Quinn repeatedly tries to get her back into bed, eventually succeeding as the two begin to date, until Debra discovers that Quinn was suspended by LaGuerta for investigating Dexter, and not taking vacation days as he had said. Liddy begins to harass Quinn but Quinn does not wish to continue investigating Dexter because of his romantic feelings for his sister, Debra. Stan Liddy was killed by Dexter in self-defense. Quinn is the main suspect because there is blood on his shoe and numerous calls between his phone and Liddy. Dexter makes the blood evidence on Quinn's shoe go away and Quinn is once again a free man. Quinn thanks Dexter, who plays dumb and just says "For what? Just doing my job." In Season 7, Quinn falls for Nadia, a stripper who works at a club, The Fox Hole, operated by the Koshka Brotherhood, a Ukrainian mafia. He steals evidence that would have convicted Isaak Sirko in an attempt to win Nadia's freedom from Koshka control. After freeing her from her strip club job, Nadia runs away to Las Vegas leaving Quinn brokenhearted. In the season finale, he is seen having drinks with Angel Batista's sister. In the finale season, Quinn lets Deb know of his returning feelings. They both resume the relationship; unfortunately, Deb does not survive her brutal attack. They were able to show their true feelings before the finale boat ride. Jamie Batista Aimee Garcia (season 8; recurring seasons 6–7) Jamie Batista is Angel Batista's much-younger sister. She moves to Miami to attend graduate school, and is hired by Dexter as Harrison's nanny shortly after. Her