FBI Special Agent Samuel Kerman has been tasked to catch a wildly erratic serial killer dropping bodies in Pennsylvania state parks. The victims differ, and the manner of murder changes every time. Amid the mountains of physical evidence, only a mysterious gray dust and declarations of guilt or innocence link the crimes. It's not much to work with, and the case drags on for months. Then, things go from bad to worse when the killer makes it personal. Family, friends, strangers...everybody's in danger of being scratched off.

Haunted by visions of the future, FBI Special Agent Laura Frost must tap her psychic talent to hunt diabolical serial killers—while keeping it secret from everyone around her. But with a ticking clock and lives on the line, might her visions lead her astray?

Thirty years ago, Wilde was found as a boy living feral in the woods, with no memory of his past. Now an adult, he still doesn't know where he comes from, and another child has gone missing. No one seems to take Naomi Pine's disappearance seriously, not even her father - with one exception. Hester Crimstein, a television criminal attorney, knows through her grandson that Naomi was relentlessly bullied at school. Hester asks Wilde - with whom she shares a tragic connection - to use his unique skills to help find Naomi.

A woman is found naked, badly beaten and barely alive in the New Mexico mountains. The shocking discovery plunges Albuquerque Detective Alyssa Wyatt into a case that will test her to the limit. It appears that Callie McCormick is the latest plaything of a shadowy psychopath that leaves a long shadow on the streets of New Mexico - an individual linked to a string of deaths but leaving no evidence. But when Alyssa makes a breakthrough that just might reveal the killer, she unknowingly puts herself in the crosshairs of a brutal maniac - one with an old score to settle.

Summer 1980: Despite the local superstition that the Bendy Man haunts the woods, three girls go into a Minnesota forest. Only one comes out, dead silent, her memory gone. The mystery of the Taken Ones captures the nation. Summer 2022: Cold case detective Van Reed and forensic scientist Harry Steinbeck are assigned a disturbing homicide—a woman buried alive, clutching a heart charm necklace belonging to one of the vanished girls. Van follows her gut. Harry trusts in facts. They’re both desperate to catch a killer before he kills again.

Former special ops pilot Maya, home from the war, sees an unthinkable image captured by her nanny cam while she is at work: her two-year-old daughter playing with Maya's husband, Joe - who had been brutally murdered two weeks earlier. The provocative question at the heart of the mystery: Can you believe everything you see with your own eyes, even when you desperately want to?

It was summer in the mountains when five small children vanished from their nursery school picnic. The heat was stifling that day, the tinkle of an ice-cream van in the air.... Three-and-a-half years later, in the dead of winter, the children are returned to their families...one by one. All except for Ivy - the granddaughter of Homicide Detective Kate Wakeland. The other four children say Ivy is dead.

Ten years ago in California, Daniel Pell, a self-styled Charles Manson, was sentenced to life in prison for murdering an entire family: husband, wife, and two children, plus one of his young male followers. He is brought to Salinas, California, to interview with Kathryn Dance after he is implicated in yet another killing. Things go terribly wrong during an interview break, and Pell escapes, intent on killing again.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.

Detective Morgan Reynolds thought her nightmare was over when serial killer Gerald "The Slasher" Tate was sent to prison for her husband's murder. But she was wrong. The Slasher has escaped and he's making it even more personal this time. Tate has kidnapped her son and is giving her 72 hours to find the answers he wants, or Jared dies.

Having rescued Cassidy McKnight from kidnappers in South America, Gabe Sinclair thought his job was done. Not that the former Navy SEAL could ever forget the brave, beautiful single mother. But when the danger followed her home, Gabe promised to protect her. Why anyone would want to kill Cassidy was a mystery. Was the motive related to the orphaned toddler Cassidy was raising, a sweet little girl who brought out the father figure in maverick Gabe?

They called him Leonardo - a master skilled in the art of murder. One year ago, Cincinnati was his canvas. A scalpel was his tool. And women were his works-in-progress. FBI profiler Casey McKinley was one of them, a victim of Leonardo's twisted genius. She has the scars - and the nightmares - to prove it. For Casey, a new city means a life far from the one she left behind in Cincinnati. In San Francisco she finally feels safe. Until a series of eerily familiar slayings plunges her back into Leonardo's game.

Honorably discharged from the Army after an explosion nearly killed her, former military psychiatrist Brooke Adams has set up shop to help others - but her days of helping military personnel are over. She's got her own battles to fight from her time overseas, and she's not equipped to take on more. Former Army Special Ops Sergeant First Class Asher James could handle anything war sent his way - terrorists, bombs, bullets. The only thing that scares him now is sleep. Finally convinced that he needs help, Asher makes an appointment with a counselor.

Lucille Teresa Guardino. A woman of many identities. Lucille to her doting mother, Lulu to her devoted husband, Mom to her pre-teen daughter, Lucy to her friends, LT to her co-workers, and Supervisory Special Agent Guardino to the criminals she captures for the FBI's Sexual Assault Felony Enforcement squad. A loving mom and wife, dutiful daughter, consummate professional, and kick-ass federal agent, Lucy is living the perfect life. Until the day she comes up against a predator more vicious than any she's ever tackled....

Books one through three in the Cassie Quinn series, from Wall Street Journal and USA Today best-selling author L.T. Ryan.