Cecile Horton

"You know, these IOUs are starting to pile up."

- Cecille flirting with Joe West

Cecille Horton is the district attorney of Central City and the legal support of Team Flash. She is the girlfriend of Joe West and the mother of Joanie and Jenna West.

Learning about meta-humans
When a police cruiser camera apparently caught Detective Eddie Thawne shooting two officers without warning, Cecille Hortin interrogates Thawne at CCPD. Despite Captain David Singh unwilling to believe Thawne to be capable of murder and CSI Barry Allen pointing out the lack of powder burns on his clothes, Cecille refused to budge without evidence.

Later, she, Singh and Barry watched security footage of the Flash fighting Hannibal Bates, who shape-shifted into multiple forms, including Thawne's. Realizing Thawne had been framed, Cecille remarked that law wasn't ready for meta-human criminals and dropped the charges against him. Barry then provided evidence for Cecille to exonerate the other victims Bates framed for his crimes.

Cecille was approached by her friend, Detective Joe West, who asked her to help him transport some imprisoned Meta-humans to a secure location. However, she adamantly turned him down, as they could be arrested for it.

Love relationship with Joe West
Over a year later, Cecille informed Joe that the D.A.'s office had no information on Alchemy and guessed that his inquiry was meta-human-related. Later, she and Joe visited Rosa Dillon at Iron Heights for information on the whereabouts of her boyfriend Sam Scudder, who gained power over mirrors, but she was uncooperative. Cecille and Joe briefly flirted, with Cecille mentioning his IOUs are adding up. Suddenly, Scudder appeared and broke Dillon out using his powers.

After Scudder and Dillon were apprehended by the Flash and Jesse Quick and sent to Iron Heights, Barry assured Cecille and Joe that Scudder couldn't escape as his cell was completely lined with anti-reflective material. Joe thanked Cecille for her help and she asked if he wanted to grab dinner tonight. Joe declined, stating that he had movie night with his kids. Cecille responded, "Another time, then."

A couple of weeks later, Cecille met with Barry and Julian Albert to inform Barry that he has been reassigned to working meta-human cases full-time to figure out the situation with the husks after the incident with The Rival. She then ran into Joe and expressed her excitement for their date. The next night, Cecille and Joe went to see The Shining at a local park. They reflected on their families and Cecile revealed she is a single parent as well and has a daughter who will be going off to college in the fall. Cecille then met Caitlin Snow, Cisco Ramon and H.R. Wells and was instantly charmed by the latter. Suddenly, her and Joe's date was interrupted by an attack from the meta-human Shade.

Around Christmas, Joe gave Cecille files regarding the Dominator invasion. He invited her to a Christmas Eve party at the West house, which she accepted. The two proposed a challenge: who's respective grandmother's eggnog was stronger. At the party, Cecile and Joe toasted to their grandmothers and their respective eggnog recipes. They shared a kiss, much to everyone's delight, especially Iris and Wally West. Cecile then went to talk with her daughter over the phone.

Cecille was seen at the precinct with Joe, discussing apprehending a criminal. She then happily greeted Iris, who arrived to talk with Joe, and went to check in with Singh.

Cecille and her daughter Joanie went for coffee at CC Jitters with Barry, Iris, Wally and Joe. However, their outing was interrupted when Clive Yorkin arrived and tried kill Joe. Wally, as Kid Flash, fended him off and saved the group. The next day, Cecille and Joanie visited Joe at CCPD before Joanie had to return to school. Joe confirmed to Cecille that he is committed to their relationship for the long run.

After Barry proposes to Iris, Cecille and Joe meet with them at Jitters. Cecille congratulated the two and complimented Iris's engagement ring. She mentioned that her sister has four spare tickets to Hamilton on the first weekend of July and invited Joe, Barry and Iris to join her. They agreed after some hesitation.

Ally of Team Flash
After Cecille and Joe returned home from training for the Central City Marathon, Cecille accidentally tells Joe she loves him, which surprised him. Later at work, Cecille apologized if her slip-up made Joe feel pressured to say "I love you" back, but he assured her it was fine. That night, Cecille visited Joe at home when he didn't answer her texts, asking what's been going on with him lately. Joe simply stated that part of his life was complicated and he doesn't feel ready to share it with her, and thinks they should break up, much to Cecille's heartbreak. In tears, Cecille left.

Just then, Cecille was captured by Killer Frost, who demanded Tracy Brand, the only person who could stop Savitar, in exchange for her life. Cecille was held hostage in Dressler Factory, where Joe, The Flash, Tracy and Cisco arrived. As Cisco battled Killer Frost, Joe freed Cecille and took her to safety.

Cecille later met Joe at the precinct, assuring him her kidnapping wasn't his fault and explained he should've just been honest with her. Joe apologized for lying to her and tells Cecille he loves her, much to her joy. He then revealed to Cecille Barry and Wally's secret identities and his work with Team Flash.

Soon after this Barry went through an experiment to try and prevent himself from creating new memories in an effort to stop Savitar from using his knowledge of the future against the team, However, the experiment failed and left Barry with temporary amnesia. At the same time, the trial for Lucious Coolidge was moved to an earlier time. This caused Cecille to call in Barry as he was the CSI officer assigned to the case because he needed to testify in court, however, he still had amnesia, much to her dismay. She attempted to work with the problem until it backfired, causing Coolidge to walk free and terrorize the city again.

Cecille was talking to Joe about how they are going to live their life. Cecille makes the decision of moving to a different home. But when Hazard releases bad luck to many, the West Residence falls apart slowly. After Cecille put new coats on the wall, Joe wanted to move but Cecille changed her mind and then wanted to live at the West residence. Cecille revealed to be pregnant and Joe didn't know how to react.

Shortly after this she stepped down from being the DA in order to be Barry's lawyer after he was framed for Clifford DeVoe's murder; despite this, he was still sentenced to jail. After Barry was sentenced Cecille discovered that due to being in the city of the time Particle accelerator explosion she acquired the gestational meta ability of being telepathic, though it remained unclear whether the power was actually Cecille's, or if it was her future daughter's.

She had Harry Wells make her a mental activity dampener, which helped to create the cerebral inhibitor, even if DeVoe rendered it useless with Kilg%re's powers.

After Harry lost his intelligence by overloading his thinking cap, Joe asked him to distract her for a while. Harry and Cecille discovered together that Harry would lose all his knowledge with time, but Cecille could read Harry's ideas so Team Flash learned that DeVoe's plan was to strip anyone of their intelligence.

When DeVoe launched the satellites to start the Enlightenment (the name of his plan), Iris encouraged Marlize to help them to stop said plan. After all of them went to the pocket dimension, Marlize insisted that the only way to stop DeVoe was to enter to his mind, and Cecille with the cerebral inhibitor was part of the entrance there. Barry was put in the hoverchair and wore the cerebral link helmet to enter them. The problem was that if Cecille bore the baby, Barry might be trapped in DeVoe's mind forever.

When DeVoe arrived for them, he used Null's powers on them all except Joe, and after failing to make Joe shoot himself, DeVoe started to choke Cecille although she was pregnant. Since Barry and Ralph left the portal, DeVoe was losing Ralph's possessed body and all his powers ceased blocking Team Flash and Marlize. Ralph recovered control of his body, but DeVoe could send himself to the hoverchair with Kilg%re's powers. When Marlize unplugged his program, DeVoe made the satellite Sally fall to Central City.

Right after Barry and another speedster destroyed the satellite, Cecille gave birth to her daughter, Jenna Marie West on May 22nd, 2018. The baby was received with a party at the West House. However, the Mystery Girl goes to the West house, where she introduces herself as Nora, Barry's future daughter and admits she made some sort of mistake.

Personality
Seen as flirty, but serious when it comes to her job as Central City's District attorney, Cecille Horton is a kind woman who thinks the world of her newfound family, the Wests and Team Flash. As a single mother of a teenage daughter, Cecille understands Joe West's struggles of when he was raising Iris West and Barry Allen alone. She loves Joe and the life they have started building together and has long since come to think of Barry, Iris and Wally West as her own. Known to be competitive, Cecille isn't one to back down from a challenge.

When it comes to her work, Cecille doesn't allow her personal life affect her job. When she discovers that she was telepathic, she showed excitement as she believed that these new-found powers would make her more of an asset for Team Flash.

She is also self-conscious about her appearance. When she was several months pregnant, Cecile worried about how others thought about how she looked.

Powers

 * Meta-human physiology: From unknown means, Cecille residual dark matter energy activated from her pregnancy and with this altered her DNA and cells, enabling Cecille to access her new-found powers.
 * Telepathy: From unknown means, Cecile developed a minor form of telepathy, able to hear the thoughts of anyone near her. Caitlin Snow theorized that this may have been brought on by her pregnancy activating residual dark matter in her body from the first particle accelerator.

Former powers

 * Empathy: An ability Cecille showed near the final stages of her pregnancy. If a person was close enough to her, Cecille started to act like the said person, such as when Caitlin was nervous, Cecile became nervous. It can go to the point where Cecille can actually believe she is the said person.

Abilities

 * High-level intellect/Master lawyer: Cecille is very intelligent, as the District attorney of Central City, she is an excellent lawyer; as Cecille has successfully prosecuted many criminals and has rarely lost a case.
 * Network: As the District attorney, Cecille has access to the resources of her office and the Central City Police Department.

The Flash
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Season 5
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Trivia

 * Cecille enjoys French roast coffee.
 * It’s heavily implied that Cecille is religious, as she convinced Joe to go to church and taught him Catholic prayers.
 * Season 2 is the only season where Cecille does not appear at all.
 * In the episode, Nora, Barry and Iris' daughter calls Cecille, 'Mama Cecille', implying that Cecille is the closest thing to a grandmother she's ever known.
 * Even though Cecile gave birth to Jenna in We Are The Flash her powers never went away seeing as they were activated by her pregnancy.  A woman's body undergoes many changes during pregnancy, but some changes are lifelong. Meaning it will Cecile who stay the telepath while it's unknown if Jenna will be a meta-human or not due to her father not being one.

Behind the scenes

 * In the DC comics, Cecile Horton was a character in the "Trial of The Flash" storyline, where, like in the show, she was Barry Allen's defense attorney when he was on trial for murder and ultimately failed to sway the jury in his favor. However, unlike on the show, Barry was actually guilty of the murder in the comics.