On Hawaii Island, an anonymous 911 caller reports a body at Pohakuloa, the Army's live-fire training area. Hilo Chief Detective Koa Kane, a cop with his own secret criminal past, finds a mutilated corpse - bearing all the hallmarks of ancient ritual sacrifice. He encounters a host of obstacles as he pursues the murderer - an incompetent local medical examiner, hostility from both haoles (Westerners) and sovereignty advocates, and a myriad of lies.

Under a promising morning sky, police captain Walter Alaka'i makes a tragic discovery: the body of a teenage surfer bobbing among the lava rocks of Maui's southeastern shore. It appears to be an ill-fated accident, but closer inspection reveals something far more sinister than the results of a savage wave gone wrong. Now that Alaka'i is looking at a homicide, he solicits the help of his niece, Detective Kali Mahoe.

Edgar Allan "Poe" Rutherford just lost his job, his girl, and his chance at a relaxing island vacation. When the brutal murder of a celebrity artist is pinned on his friend, Poe refuses to lose his best buddy to the Maui penitentiary. As he works his way down the gallery guest list, he navigates through bloated egos, heated rivalries, and more than a few eccentric personalities along the way. But he never expected the hunt for truth to reveal a second chance at love....

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.

Lei has overcome a scarred past to make a life for herself as a cop in the sleepy Big Island town of Hilo. On a routine patrol she finds two murdered teenagers - one of whom she'd recently busted. With its echoes of her own past, the murdered girl's harsh life and tragic death affect Lei deeply. She becomes obsessed - even as the killer is drawn to Lei's intensity, feeding off her vulnerabilities and toying with her sanity.

Still grieving from the tragic death of her colleague, DCI Emma Gardner continues to blame herself and is struggling to focus. So, when she is seconded to the wilds of Yorkshire, Emma hopes she’ll be able to get her mind back on the job, doing what she does best - putting killers behind bars. But when she is immediately thrown into another violent murder, Emma has no time to rest. Desperate to get answers and find the killer, Emma needs all the help she can. But her new partner, DI Paul Riddick, has demons and issues of his own.

Marko Zorn, a Washington, DC, homicide detective with expensive tastes in art, classic cars, and women, must take on extra work to supplement his income. Although he's skilled at navigating the corridors of law enforcement and the hideouts of criminal gangs, he'd prefer to stay home and watch old movies, enjoy his art collection, and listen to cool jazz. When Zorn encounters the body of a Secret Service agent - a supposed drowning victim - it leads him to a domestic terrorist group with tentacles into the White House, a White House that does not want this death investigated.

As India celebrates the arrival of a momentous new decade, Inspector Persis Wadia stands vigil in the basement of Malabar House, home to the city's most unwanted unit of police officers. Six months after joining the force she remains India's first female police detective, mistrusted, sidelined and now consigned to the midnight shift. And so, when the phone rings to report the murder of prominent English diplomat Sir James Herriot, the country's most sensational case falls into her lap.

Unable to escape his own past, Rick Cahill risks his life for a woman who is hiding her own. Rick Cahill was never convicted of his wife’s murder, but he was never exonerated either. Not by the police. Not by the media. Not even by himself. Eight years later, police suspicion and his own guilt remain over his responsibility in his wife’s death. When he meets Melody Malana, a beautiful yet secretive TV reporter, he sees a chance to love again. When she is arrested for murder and asks Rick for help, the former cop says no, but the rest of him says yes, and he grasps at a chance for love and redemption.

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.

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....

When a murder rocks the isolated community of Entry Island, insomniac homicide detective Sime Mackenzie boards a light aircraft at St. Hubert airfield bound for the small, scattered chain of Madeline Islands, in the Gulf of St. Lawrence, as part of an eight-officer investigation team from Montréal. Only two kilometers wide and three long, Entry Island is home to a population of just more than 100 inhabitants, the wealthiest of whom has just been discovered murdered in his home.

Dr. Morton Handler practiced a strange brand of psychiatry. Among his specialties were fraud, extortion, and sexual manipulation. Handler paid for his sins when he was brutally murdered in his luxurious Pacific Palisades apartment. The police have no leads, but they do have one possible witness: seven-year-old Melody Quinn.

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

US President Keegan Barrett has swept into office on his success as Director of the CIA. Six months into his first term, he devises a clandestine power grab with deadly consequences. Barrett personally orders CIA agents Liam Grey and Noa Himel to execute his plan, but their loyalties are divided. The CIA serves at the pleasure of the president, yet they’ve sworn to support and defend the Constitution of the United States against all enemies, foreign and domestic. When the threat comes directly from the Oval Office, that’s where the blowback begins.