FBI Special Agent Maya Gray, 39, has seen it all. She’s one of BAU’s rising stars and the go-to agent for hard-to-crack serial cases. When she receives a handwritten postcard promising to release 12 kidnapped women if she will solve 12 cold cases, she assumes it’s a hoax.

When Amber Young, a quiet, brilliant newspaper puzzle editor, detects a hidden cypher, she realizes a serial killer is leaving clues hidden in plain sight. The FBI’s BAU unit needs Amber’s unique genius to help them decode the mystery and catch a killer before it’s too late, and in this propulsive cat-and-mouse thriller, it’s a battle of clues, riddles, twists—and genius.

In this new series by number one best-selling—and critically-acclaimed—mystery and suspense author Kate Bold, Camille Grace, a rising star in the FBI’s BAU unit, is dispatched to the one place she vowed to never return: the deep South.

FBI Special Agent Claire King dies chasing a killer—and is resuscitated minutes later to realize she has changed. Dark images flash through her mind in a newfound power, visions leading her towards serial killers. But the riddles that plague her are obscured and conflicting, and Claire soon realizes that they may lead her to crack a case—or may just put her in the crosshairs of a killer.

FBI Special Agent Taylor Sage has crossed the country and transferred to her dream job with the BAU at Quantico. With a new job, a new house, and her husband by her side, Taylor is ready to put the darkness of her past behind her: a sister who vanished when she was a teenager.

When she was just 12 years old, Mackenzie Price came home to find her father bleeding to death on the kitchen floor. She will never forget that night, nor what her mother asked her to do.... Twenty years later, Detective "Mack" Price is back in Lakemore, despite vowing never to return. Determined to atone for the sins of the past, she is unstoppable in her quest for justice. 

In the darkness of a cold December morning, Detective Kim Stone steps through the doors of Halesowen Police Station. She’s about to meet her team for the first time. When the body of a young man is found beheaded and staked to the ground in a secluded area of the Clent Hills, Kim and her new squad rush to the crime scene. This audio edition includes exclusive bonus content.

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.

Ashley Hope is an average Southern woman, happily engaged, her whole life ahead of her—until dark secrets from her past come bubbling up.

When her sister is found dead in a Baltimore hotel room, reporter Val Ritter’s world is turned upside down. An empty pill bottle at the scene leads the police to believe the cause of death is suicide. With little more than her own conviction, Val teams up with Terry Martin, a retired detective who has his own personal interest in the case, to prove that something more sinister is possible.

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.

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....

From the moment I met Nathan, a widower with two small children, I knew I would do anything for him. Sam and Sienna were both desperate for a mother and I knew I was perfect for them. I would raise them as my own, love them like my own. I would die for them. So when a missing teenager is found lying on the side of the road, my first through is for my precious kids. Are they home? Are they safe?

Thomas Austin was once a prominent NYPD detective, known for locking up a psychopathic serial killer dubbed "The Holiday Baby Butcher". Now retired in a small beach town in the Pacific Northwest, Austin runs a little café, trying to overcome the loss of his wife, a DA who was gunned down only one year ago.

Fifty-eight minutes into her first day on the job, 23-year-old Sheriff Piper Blackwell is faced with a grisly murder, the victim artfully posed amid decorations on his lawn. Drawing on former military training, Piper must prove herself worthy of the sheriff's badge, and that won't be easy. Chief Deputy Oren Rosenberg, Piper's opponent in the recent election, doesn't like her and wants her to fail.