How Do The Best Crime Mystery Novels Portray Criminal Psychology?

I'm a half-baked forensic examiner whose only redeeming quality is the ability to understand animals. The crime scene is inside a lavish villa. The lady of the house lies dead on the floor with a blunt-force injury to the back of her head so deep that her bone is visible. The safe has been pried open, and a million dollars in cash has vanished without a trace. Clear shoe prints mark the backyard wall, evidence that someone has climbed over it. "This one's clear as day. This is a textbook robbery-homicide. The suspect is likely a young male, around six feet tall, has a prior theft record, and knows how to cover his tracks. Check the surveillance footage in the area and look into places where he might've moved the stolen cash." The director of the forensic science center, Egbert Woodward, has been in the profession for three decades and is a widely respected authority. The officers at the scene nod in unison and begin taking notes. I'm the only one who stares at the 30 flies circling the ceiling for a full 3 minutes before taking a step forward and piping up, "Dr. Woodward, this isn't a robbery-homicide. It's a crime of passion. The murderer is the victim's husband!"

A psychopath is a cold, ruthless, heartless, and inhuman being. Belladonna Salvador is one of those. She's pretty and super intelligent, just like any other psychopath. As a child, she never felt any love from anyone, and neither had friends nor anyone to talk to. She was abandoned by her father and experienced constant abuse from her mother. Even her aunt wanted her killed. As a child, love was deprived of her. All she wanted was someone to love her. Then she meets Jameson Abalos. Jameson falls for that psychopath and does everything for her while she is still seeking love. Does she even know the meaning of love? Will she ever be in love knowing that she is not capable of it? Can he tame the psychopath?

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

He promised to protect him from a killer. He never said he was one. When journalist Ian Parker witnesses a brutal murder, he should have been the killer's next victim. Instead, he wakes up in the hospital, saved by Zhedya Hunter…a brilliant forensic pathologist, a reclusive CEO, and a man with chilling grey eyes that feel hauntingly familiar. Charismatic and dangerously possessive, Zhedya offers Ian shelter in his opulent penthouse, a gilded cage where every comfort is a chain. As Zhedya's obsession deepens, Ian's career skyrockets, with damning evidence against the city's most wanted criminals mysteriously falling into his hands. But each exclusive story comes with a price: a fractured memory, a drugged haze, and a growing pile of bodies connected to anyone who threatens their twisted paradise. Now, Ian is trapped in a nightmare of luxury and lies, unraveling a truth more terrifying than any headline: his savior is a predator, his sanctuary is a crime scene, and the man who claims to love him is the most prolific murderer he will ever interview. Learning how to love a murderer is easy. Surviving him is the real story.

I quit and dipped. City threw a parade. Only Jenna Blake—my oh-so-gifted junior who claimed she could "see through killers' eyes"—lost it. At her celebration banquet, she went full drama queen: "I owe everything to Kate Mercer. Please, bring her back!" I laughed. Cold. Not happening. Last time around, I was the hotshot detective. But every clue I found? She dropped it first like she read my mind. People started saying I was washed. So I went all in—three months, no sleep, cracked a massive trafficking ring. Led the raid myself. She beat me there. Again. Place was cleaned out. Boom. She's the city's golden girl. I'm the clown with no game. Pressure got ugly. My head snapped. I died chasing the last scumbag. Then—bam. I woke up. Same day. Raid morning. Round two.

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?