|“||How does a girl like Alison become a girl like Alison?||”|
— Gabriel to Hanna.
He is portrayed by Sean Faris.
Gabriel Holbrook is partnered with Linda Tanner to investigate the murders surrounding the Liars and the town of Rosewood; in particular, the recent murder of Darren Wilden and the alleged kidnapping of Alison DiLaurentis.
'A' is for A-l-i-v-e Gabriel Holbrook introduces himself to the Liars outside of Wilden's funeral. He is a state cop who is investigating the murders of Detective Wilden and Officer Reynolds. He read a lot about them in the files and agrees that Wilden seemed to be harassing the girls. He asks why they would come to his funeral and Emily replies that they were supporting their local police department. He mentions they will probably have to come in for questioning even though they were already questioned after Garrett's death. Cat's Cradle Detective Holbrook catches Hanna in a conference room at the police station about to take a photo of the suspect board for Wilden's murder. When pressed she says she was looking for Emily's mom. She asks why she is on the board and he explains that it's part of the process of catching the murderer. They include everyone who knew Wilden and even some who didn't know they knew Wilden and then eliminate them one by one. He says she has nothing to worry about but she points out unless you're the last person left on the list. Detective Holbrook spots Melissa Hastings across the precinct and excuses himself to greet her. Later in the episode Melissa tells Spencer that Det. Holbrook just wanted to talk about Wilden but she wasn't sure if she was helpful since she didn't know him since high school. Face Time Gabriel and his partner, Linda, are watching the girls from a car. Linda wonders what is it about the four girls that attracts so many corpses. Later, they are inspecting Darren's safety deposit box. The detectives start to question Ashley Marin. Gabriel and the rest of the detectives take the entire box for evidence. They later turn up at Hanna's house to question Ashley, but Hanna tells them Ashley isn't home. Bite Your Tongue When Hanna is browsing through books, Gabriel approaches her. He explains that his job isn't easy and apologizes for going after her mom. He suggests a book to Hanna. Later at The Brew, Gabriel comments on her fast reading ability. Hanna tells him she always reads the ending first. He tells her that she should read the middle first because that has the biggest twist. She asks him what the twist is and he gives her a clue. Hot for Teacher Hanna helps him load evidence boxes into his car related to CeCe. He tells her that every detail in a case is important no matter how small it is. She's Come Undone Hanna visits Gabriel to discuss Travis' dad's court appearance on Darren's murder. Hanna encourages him to drop the case. Gabriel tells her that he shouldn't be discussing this case with her and she leaves. Gabriel stood up for Travis' dad in court and gave a statement, saving him. He bumps into Hanna later at The Brew and she thanks him. She hugs him and then kisses him. Hanna apologizes and runs off quickly in embarrassment. Cover For Me Gabriel received an anonymous letter claiming that Alison DiLaurentis is alive. He questions Hanna about the letter, and she denies writing it. Later, he and Linda question her once more about the letter after getting a new possible lead in Alison's case. Hanna sees Gabriel and Linda talking to Jessica DiLaurentis. Unbridled Gabriel visits the DiLaurentis house to inform Mrs. DiLaurentis that he has a court order to have Alison's body re-examined. Jessica tells him to let her daughter rest in peace, but he tells her he doesn't need her permission. A is for Answers A informs the police about the whereabouts of CeCe Drake. They arrest her and he questions her about Darren's murder, but he doesn't get a straight answer. Eventually, she tells him that she knows who the killed the girl in Alison's grave and the person who is still trying to get her now. CeCe also says that she can prove that Alison is alive. Gabriel has the Hastings' house searched. He tells Veronica Hastings that her daughter may know the whereabouts of a missing person and shows her a picture of the four girls talking to Alison. Melissa returns and interrupts their conversation. Gabriel takes Veronica to the station and questions her about Spencer's recent activities. She tells him that she doesn't like being questioned and wants to contact her husband. Gabriel leaves and is informed by another officer that they will have the girls whereabouts within the hour. He then interviews Melissa and Peter Hastings. Gabriel asks Peter about hiring a private investigator the summer Alison went missing. He then learns the girls are in Philadelphia.
Season 4 (9/24)
Season 5 (5/25)
Hanna Marin: Kissed.
- Started: She's Come Undone
- Reason: Hanna thanks Holbrook for standing up for Mr. Hobbs in court, by kissing him in The Brew.
Alison DiLaurentis: Kissed.
- Started: How the 'A' Stole Christmas
- Reason: Meeting in a secret rendezvous at the Masquerade Ice Ball, Holbrook and Alison share a kiss, which is witnessed by Aria.