Despite being a rising star in the BAU unit, FBI Special Agent Hailey Rock still lives in the shadow of her older sister, who remained in their small Midwestern town to become a police sheriff and who remains the favorite in their parents’ eyes. Hailey has not thought of her estranged family in ages, but when young women turn up dead in her hometown, the FBI dispatches Hailey to solve the case her sister cannot—and forces her to face demons, including that of her kidnapped sister, that Hailey wished she would never face again.

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.

Morgan Stark, a brilliant doctor, is stunned when his hospital’s resident is found murdered, clearly the work of a serial killer. The FBI needs Morgan, with his medical expertise, to decipher the subtle medical clues that will lead to the killer—but can he crack the code before it’s too late?

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.

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?

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.

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 Faith Bold, hospitalized and haunted by her encounter with a serial killer, is ready to retire—when Turk, a K9 German shepherd, himself traumatized, comes into her life. When a new serial killer strikes, leaving his victims at the bottom of isolated wells, Faith, this time with Turk at her side, will stop at nothing to hunt him down and save the next victim before it is too late.

Interpol agent Alex Quinn, 29, born to Italian-Turkish parents, is a multi-lingual genius. With an advanced degree in Criminal Psychology from a university in France and a PHD from a Germany university, Alex was recruited by Interpol at the age of 25—their youngest recruit—because of her encyclopedic knowledge of serial killers. But when a serial killer strikes in Venice, amidst the glittery costumes and sinister masks, Alex may, for the first time, find herself in over her head—and may just end up the target herself....

When a new serial killer strikes, the FBI, stumped, turns to its brilliant forensic examiner and entomologist, Fiona Red, with her unparalleled genius and ability to offer insights at crime scenes based on her insect expertise. When another victim turns up in a stretch of rural woods covered in unusual bugs, Fiona knows right away that something doesn’t add up. In this master game of wits, Fiona may have finally met her match.