In the Mexican borderlands, a busload of student protesters is gunned down in broad daylight, a violent act blamed on the Nemesio cartel. But its aging leader, Fox Uno, sees the attack for what it is: another salvo in the long-running battle for control of Nemesio itself; perhaps by a rival cartel, or maybe someone closer to home....

Angel, Kentucky: Just another one of America's forgotten places, where the opioid crisis has reached a fever pitch. When this small town is rocked by the vicious killing of an entire infamous local crime family, the bloody aftermath brings together three people already struggling with Angel's drug epidemic: Trey, a young medic-in-training with secrets to hide; Special Agent Casey Alexander, a DEA agent who won't let the local law or small-town way of doing things stand in her way; and Paul Mayfield, a former police chief who's had to watch his own young wife succumb to addiction.

When an armored car hijacking leaves two men dead, Arizona Sheriff Jim Weber takes the crime personally, because one of the dead men is his brother-in-law. His hunt for the killers leads him into a world of sordid sex, deceit, and violence, with a suspect list that includes jilted women, a family of anti-government survivalists, and the beautiful wife of the richest man in town. With a plot that has more twists and turns than an Arizona mountain road, a cast of characters you won't soon forget.

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.

Tucker Snow is as tough as they come, hardened by decades working as an undercover narcotics agent for the Texas Department of Public Safety. Through special dispensation from the governor, he and his brother Harley cut a wide swath through the criminal element of Northeast Texas. But tragedy comes calling after taking a dream job as a special ranger with the Texas and Southwestern Cattle Raisers Association, when Tucker's wife and toddler are killed in a horrific traffic accident caused by a drug-addled felon.

When 22-year-old Candy goes missing on a popular hiking trail, suspicion falls on her recently paroled ex-boyfriend. It was Candy's testimony that got him put away...and now he's after revenge. The ensuing manhunt leads Savage and his team into the unforgiving Colorado mountains, where avoiding the wild animals are the least of their worries. Just when they think they've got their man, a new development spins the case on its head. Who was Candy really running from? And are they still after her?

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.

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.

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....

Titus Crown is the first Black sheriff in the history of Charon County, Virginia. In recent decades, quiet Charon has had only two murders. But after years of working as an FBI agent, Titus knows better than anyone that while his hometown might seem like a land of moonshine, cornbread, and honeysuckle, secrets always fester under the surface. Then a year to the day after Titus’s election, a school teacher is killed by a former student and the student is fatally shot by Titus’s deputies. As Titus investigates the shootings, he unearths terrible crimes.

The Inn at Gloucester stands alone on the rocky shoreline. Its seclusion suits former Boston police detective Bill Robinson, novice owner and innkeeper. As long as the dozen residents pay their rent, Robinson doesn't ask any questions. Neither does Sheriff Clayton Spears, who lives on the second floor. Then Mitchell Cline arrives, with a deadly new way of doing business. His crew of local killers break laws, deal drugs, and bring violence to the doors of the Inn.

Twenty years ago in the dead of night, four seemingly random individuals pulled the ultimate heist and almost walked away with half a million dollars. But by daybreak, their plan had been shot to hell. One of them was in the hospital. One was in jail. One was dead. And one got away with it. Arden Maxwell, the daughter of the man who disappeared all those years ago - presumably with the money, after murdering his accomplice - has never reconciled with her father's abandonment of her and her sister.

Ike Randolph has been out of jail for fifteen years, with not so much as a speeding ticket in all that time. But a Black man with cops at the door knows to be afraid. The last thing he expects to hear is that his son Isiah has been murdered, along with Isiah’s white husband, Derek. Ike had never fully accepted his son but is devastated by his loss. Derek’s father Buddy Lee was almost as ashamed of Derek for being gay as Derek was ashamed his father was a criminal. Buddy Lee still has contacts in the underworld, though, and he wants to know who killed his boy.

A lifeless girl slips into the river, cold and crumpled. Her body washes away with the rain. Her killer remains a mystery. Sheriff Elven Hallie has been longing for a new case that would add some excitement to his small-town life. But a dead girl wasn’t what he expected. On the last murder case he worked, he was just a deputy with an experienced Sheriff to guide him and they were looking for an outsider. This time, he’s in charge, and the killer is part of their community.

New Mexico Undersheriff Bill Gastner is presented with a case that appears to have brought big-time crime, including drug gangs, into Posadas County.

Mason "Mace" Reid lives on the outskirts of Chicago and specializes in human-remains detection. He trains dogs to hunt for the dead. Reid’s coming off a taxing year - mourning the death of a beloved springer spaniel as well as the dissolution of his marriage. He adopts a rescue dog with a mysterious past - a golden retriever named Vira. And when Reid begins training Vira as a cadaver dog, he comes to realize just how special the newest addition to his family truly is....

Abby Cooper is a P.I., psychic intuitive. But her insight failed her when she didn't foresee the death of one of her clients - or that the lead investigator for the case is the gorgeous blind date she just met. Now, with the police suspicious of her abilities and a killer on the loose, Abby's future looks more uncertain than ever.

Ex-St. Paul cop Rushmore McKenzie has more time, and more money, than he knows what to do with. In fact, when he’s willing to admit it to himself (and he usually isn’t), Mac is downright bored. Until he decides to do a favor for a friend facing a family tragedy: Nine-year-old Stacy Carlson has been diagnosed with leukemia, and the only one with the matching bone marrow that can save her is her older sister, Jamie. Trouble is, Jamie ran away from home years ago.

Nobody knows what happened to Sarah Cook. The beautiful blonde teenager disappeared 15 years ago, the same night her parents were brutally murdered in their suburban Ohio home. Her boyfriend, Brad Stockton - black and from the wrong side of the tracks - was convicted of the murders and is now on death row. Though he's maintained his innocence all along, the clock is running out. His execution is only weeks away when his devoted sister insists she spied Sarah at an area gas station.