When a bloated body is found floating in international waters, twenty miles out at sea, Lily Dawn is called back to the Caribbean. But this is not a happy homecoming. She hasn’t seen her parents since moving to Miami ten years ago, and now her sister has been declared legally dead.

Everyone in the small town of Denton is searching for Isabelle Coleman, a missing 17-year-old girl. All they've found so far is her phone and another girl they didn't even know was missing. Mute and completely unresponsive to the world around her, it's clear this mysterious girl has been damaged beyond repair. All Detective Josie Quinn can get from her is a name: Ramona. Currently suspended from the force for misconduct, Josie takes matters into her own hands as the name leads her to evidence linking the two girls.

FBI Special Agent Ruby Hunter wants nothing more than to put the 13 killer, and her days in the FBI, behind her, and to try to pick up the pieces of her life. But he refuses to rot quietly. Ruby realizes she must do the thing she dreads the most: Visit him in prison. But he is diabolical and cunning, an expert at toying with his victims—and with her.

The FBI is alarmed by the rash of killings on trains throughout the country, and they realize they have to put together a joint task force to tackle it. Through a partnership with the rail police, FBI Special Agent Cailtin Dare is chosen to spearhead the new unit designed to hunt killers using trains across the country.

Police officer and single mom Megan York is doing her best to raise her daughter in her small Midwestern town, hoping her past won’t come back to haunt her, and that her violent ex won’t be released from prison. But when women turn up murdered on local sailboats, victims of a serial killer, Megan must enter the mind of a killer and tackle the toughest case of her career—while her ex comes up for parole.

Tara Strong has risen to become her county’s Deputy Sheriff through her bravery and her brilliant capacity to enter killer’s minds. Small-town life in the mountains, centered around their picturesque lake, should be idyllic. But Tara has already seen enough to know that there is a dark side to everything, that small towns hide secrets, that everyone has something in their past—and that a killer may just be lurking right next door.

In this best-selling mystery series, FBI Special Agent Ilse Beck, victim of a traumatic childhood in Germany, moved to the US to become a renowned psychologist specializing in PTSD, and the world’s leading expert in the unique trauma of serial-killer survivors. By studying the psychology of their survivors, Ilse has a unique and unparalleled expertise in the true psychology of serial killers. Ilse never expected, though, to become an FBI agent herself.

A serial killer following the seven signs of the Messiah. An ex-con FBI agent seeking redemption. A riddle that must be cracked as a victim’s precious time runs out....

MMA champ-turned-FBI Special Agent and BAU specialist Dakota Steele is as tough as they come—and as brilliant, too, able to crack serial killers that no one else can.

Dylan First, a brilliant psychologist, is haunted by the horrific discovery of her past. Her mentor and father figure, a brilliant psychiatrist and professor, was secretly a serial killer. He is behind bars, but with everything Dylan thought she knew turned upside down, she feels lost when the FBI suddenly comes knocking. A new killer is using her mentor’s trademark signature. And they need Dylan to dissect his mind and stop him before it’s too late.

May Moore, 29, an average Midwestern woman and deputy sheriff, has always lived in the shadow of her older, brilliant FBI agent sister. Yet the sisters are united by the cold case of their missing younger sister—and when an eerily similar serial killer strikes in May’s quiet, Minnesota lakeside town, it is May’s turn to prove herself, to try to outshine her sister and the FBI, and, in this action-packed thriller, to outwit and hunt down a diabolical killer before he strikes again.

FBI Special Agent Eve Hope can’t escape the shadow of her notorious serial killer father—though he is jailed, the puzzle of the loving father of her childhood haunts her, and now, assigned to a copycat case, she is forced to face her worst memories. Can she stop this new killer before he claims a new victim—while saving herself from being swallowed by her past?

When an esteemed criminology professor is found lifeless at an international conference, it's up to DCI Whitney Walker and forensic psychologist Dr. Georgina Cavendish to unravel the mystery. The professor had unveiled Death's Shadow—a ground-breaking but unsettling theory that could redefine the understanding of serial killers. The theory captivated yet unnerved scholars, leaving a lingering air of dread within the conference halls. When another delegate meets a gruesome end, it becomes horrifyingly clear: the conference has become a hunting ground.

In a small harbor town in Maine, police officer Reese Link’s first day on the force begins with a bang: the first homicide this town has seen in years. Reese hopes to step into her dead brother’s shoes, but with her newly assigned partner having just shot himself and a diabolical killer on the loose, Reese wonders: does she have what it takes to outwit him—and to save another life?

FBI Special Agent Katie Winter is no stranger to frigid winters, isolation, and dangerous cases. With her sterling record of hunting down serial killers, she is a fast-rising star in the BAU, and when a woman is discovered in the middle of a frozen lake, Katie is the natural choice to partner with Canadian law enforcement to track the killer across the brutal and unforgiving landscape.