Rumors have swirled around Jake Cashen his whole life. Is he crazy like his father? Is it true they booted him out of the F.B.I. right after he cracked a career-making RICO case? Was he dirty? Only Jake knows, and he’s not telling. He came back to his tiny hometown at the foot of Ohio’s Blackhand Hills to serve as a deputy sheriff. He hopes to punch a clock and keep his head down until retirement. It was a solid plan—until someone put a bullet in the head of a revered county judge.

Alexa Chase, 34, a brilliant profiler in the FBI’s Behavioral Analysis Unit, was too good at her job. Haunted by all the serial killers she caught, she left a stunning career behind to join the US Marshals. As a Deputy Marshal, Alexa—fit, and as tough as she is brilliant—could immerse herself in a simple career of hunting down fugitives and bringing them to justice.

Harney County, Oregon, 1968: Nick Drake has a chest full of medals and enough demons to fill a duffel bag. He's been trained to kill but was never retrained to rejoin society. Drake flees to the lonesome high desert in search of redemption and takes a job patrolling wildlife refuges where the only conflicts are keeping out stray cows and ticketing poachers. But then he stumbles across a girl's body ritually placed in a gully. Her murder is only the beginning, and Drake must face humanity's heart of darkness once again if he's to stop a killer from turning even more gullies into graves.

If you love mysteries with action, suspense and a touch of humor and romance, then the David Wolf series is for you.

Army veteran Mason Sharpe's world is turned upside down when his beloved fiancée is killed in a random shooting. Struggling to cope with his grief, Sharpe instinctively heads for the North Carolina town where he and his bride had planned to honeymoon. Alone on a beach, contemplating a future which now seems bleak and empty, he stares into the abyss. But then… A body washes ashore. An investigation begins and the police quickly pronounce an accidental death. But Mason isn't buying it. He believes the man was murdered and someone is trying to cover it up.

New owners of a dream cottage on a remote Maine lake find themselves taunted, then menaced by an unknown figure. When the local authorities refuse to help, they turn to retired Maine game warden Charley Stevens and his young protege Mike Bowditch for protection. But Charley begins to suspect there is more to the mystery than the couple is letting on—and if he and Mike don’t act fast, the situation will explode into violence.

Once a luxurious Southern getaway on a rustic lake, then reduced to a dilapidated crash pad, the Summer House is now the grisly scene of a nighttime mass murder. Eyewitnesses point to four Army Rangers - known as the Night Ninjas - recently returned from Afghanistan. To ensure that justice is done, the Army sends Major Jeremiah Cook, a veteran and former NYPD cop, to investigate. But the major and his elite team arrive in sweltering Georgia with no idea their grim jobs will be made exponentially more challenging by local law enforcement....

The names of notorious serial killers are usually well-known; they echo in the news and in public consciousness. But most people have never heard of Israel Keyes, one of the most ambitious and terrifying serial killers in modern history American Predator is the ambitious culmination of years of interviews with key figures in law enforcement and in Keyes's life, and research uncovered from classified FBI files. Callahan takes us on a journey into the chilling, nightmarish mind of a relentless killer, and to the limitations of traditional law enforcement.

Michelle Maxwell has just blown her future with the Secret Service. Against her instincts, she let a presidential candidate out of her sight to comfort a grieving widow. Then, behind closed doors, the politician whose safety was her responsibility vanished into thin air.

When renowned FBI Agent Benjamin Forrester suffers a devastating loss while trying to catch an elusive serial killer, he quits the bureau. Years later, after a similar series of gruesome murders trigger an investigation in the coastal town of Eden Falls, Maine, Ben is called upon to assist the rookie police detective, Dakota Woods. He soon learns he's being lured into a deadly game of cat and mouse where the only way to stop the murders is to confront his past and face his worst fear.

Convicted serial killer Benjamin Fisher has finally offered to lead San Bernardino detective Daniel Ellis to the isolated graves of his victims. One catch: he'll only do it if FBI profiler Reni Fisher, his estranged daughter, accompanies them. As hard as it is to exhume her traumatic childhood, Reni can’t say no. She still feels complicit in her father’s crimes.

A cop lies dying beneath the blistering Arizona sun - a local lawman who may well have become the next sheriff of Cochise County. The police brass claim that Andy Brady was dirty, and that his shooting was a suicide attempt. Joanna Brady, his devoted wife and mother of their nine-year-old daughter, knows a cover-up when she hears one...and murder when she sees it.

When a young girl is found dead in the mountains outside Timber Creek, lifelong resident Officer Mattie Cobb and her partner, K-9 police dog Robo, are assigned to the case that has rocked the small Colorado town. With the help of Cole Walker, a local veterinarian and single father, Mattie and Robo must track down the truth before it claims another victim. But the more Mattie investigates, the more she realizes how many secrets her town holds. And the key may be Cole's daughter, who knows more than she's saying.

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.

The ancient Indian art of tracking is his greatest strength...and also his biggest weakness. Fish and wildlife state trooper Gabriel Hawke believes he’s chasing poachers. However, he comes upon a wildlife biologist standing over a body that is wearing a wolf-tracking collar. He uses master tracker skills taught to him by his Nez Perce grandfather to follow clues on the mountain. Paper trails and the whisper of rumors in the rural community where he works draws Hawke to a conclusion that he finds bitter.