How Do Modern Mystery Series Handle Long-Running Character Development?

"He's gone, Elizabeth," her captain Charles Johnston tells her. Elizabeth blinks back her tears. Her face full of shock and disbelief. Her frozen stare interrupted by his words. "He left his badge." "There's no way," she thought. He wouldn't leave her like this. No warning, no phone call, no letter. She was more to him than that or at least so she thought. That conversation has plagued her for 3 years. For 3 long years, Detective Elizabeth Ryan tried to shut out him, to finally be able to move on. But just as she does, he abruptly returns seeking more than what either of them anticipated. Will Elizabeth be able to forgive him, or will the past be too much to swallow? What happens when life throws her too many twists to handle?

Hayden is a perfect husband for Riz. He's sweet, self-orientated and a successful doctor. They are living happily until a crime happened in their city. A crime of the past. Suddenly, their peaceful life will be fully be entangled into the world of serial killing. It will confuse their life, their marriage and trust especially when Riz started to doubt her own husband's personality. It doesn't make sense. Is her husband the serial killer?

Chris Angeles. A man whose dream is to protect and serve. But evil is always lurking in the dark. Waiting, biding its time. Finding the perfect opportunity to attack. Can Chris fulfill his dreams of protecting the people of his town? What if his dreams cost something greater? Can the life of a detective have semblance of a normal, happy life? Or will it always include chaos, murder ,and bloodshed?

A series of past murders catch the attention of the police and the media. All the people who were killed were women, all of which had some sort of relationship with a well known and successful businessman named Asriel Parker. For some reason, the murders all point to him as the number one suspect and connection between them. The reasonable thing to do is to put him behind bars but there is one problem. "Everyone is innocent in the eyes of the law until proven guilty." There isn't a shred of evidence that actually pinpoints Asriel Parker as the culprit. With that statement in mind, Selena March, a good police officer and detective is sent undercover as his live-in Personal Assistant to dig up whatever information she can use to put the murderer behind bars. Selena has no idea what she signs up for but she knows for a fact that falling in love is not part of the whole 'undercover' mission

There are three things Samara Culkin loves: her father, wearing high heels, and being a detective. But in a world where being a female officer is considered weak, she struggles to find a place where she feels truly belong. Determined to prove The Detective Tag firm that she is worth it, she sets out to solve one of the biggest cases the city of Los Angeles has ever seen. There are three things Clayton Jones likes: his car, detective skills, and the female detective who happens to catch his eye—Samara. As an expert and well-known crime officer, he is given the chance to work with her; a one-time possibility that rarely happens. The only problem is that she hates him. And he does not know why. The Detective Tag is a crime fiction with a twist of romance. Join Samara and Clayton—all the bitterness, dislikes, and romance in between—as they dive into the world of crime cases and murder investigations. Well, maybe a bit of finding love, too.

When 19-year-old waitress Millie takes a summer job as companion to wealthy Lady Vera Ashington at her Suffolk stately home, she has no idea that a mystery will unfold which puts her own life and her family's business at risk. Unexplained deaths will test her morality. Can the end justify the means? Lady Ashington (Vera) fears a breakdown due to personal regrets. She has one last go at seeking long-term happiness. Having taken Millie as a companion, the two women become friends and enjoy arguing about Vera's wealth and her inability to use it wisely. ‘ Too much cake', is the problem. Millie empowers Vera. She keeps a first person diary, and includes Vera's viewpoint. This diary is the novel. It tells how the talents of two very different women, when harnessed, move mountains. But, Vera's local influence means every good deed, leaves a loser. Millie had not appreciated this and conflicts mount. Things reach a head when a couple in the village, are murdered . The evidence isn't clear. Who would profit from their deaths? Is Vera implicated? Must Millie fear for her life?