How Do Thriller Mystery Novels Build Psychological Tension Without Gore?

This is thriller where the killer murders with put leaving a detail and you wont ever feel bored i guess all of you guys will enjoy reading this

Elena had left her past behind her to start a law firm of her own. Uknown to her, a business rival had dug up her past dirt and was blackmailing her. That night she met up with Luis Mathew, she'd done something really dreadful. Something she thought no one else saw. As she made her way outside the old deserted house, she was sure she had done what she did to protect herself, little did she know that she'd encounter a more dreadful fate from, "the eyes that watched". Gregory knew he was sick in his dark mind, and as he watched the fragile girl take a life, he knew he'd have her at all cost. They were dark together in hearts. Warning: This book contains sexual encounters, graphic languages and dark happenings that some readers may find inappropriate and so is not suitable for anyone under tha age of 18.

Summary: Inspector Thomas Bertrand, a methodical and respected police officer, is tasked with investigating a mysterious murder. The evidence seems to point to the assassin being a beautiful and young woman, Isabelle Dufresne. But as soon as he meets her, an irresistible attraction grows between them, a feeling that deeply unsettles him. The battle between his duty to justice and his growing emotions for Isabelle leads him into an intense inner struggle. As the investigation progresses, he discovers that nothing is as it seems and that dark forces are manipulating the truth. His heart and mind are in conflict, and the hidden truth could very well destroy him.

When a young Investigative journalist gets a job in the city, she meets a secret killer who they both develop feeling for each other. What would happen when she gets a task to track the unknown killer and have crucial information about him? How would she react when she founds out he is a killer? Would he manage to kill her before his story goes viral?

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?

I make my final phone call to my boyfriend when a murderer is hunting me down. He thinks I'm messing with him and hangs up on me. That destroys the final sliver of hope I have for survival. He's celebrating his childhood friend's birthday when I'm being murdered. Later, as a restorative embalmer, he receives a body to restore. He loses his mind when he restores my shattered skull and realizes the body is mine.