The Jake Helman Files Series by Gregory Lamberson

Jake Helman, an elite member of the New York Special Homicide Task Force, faces what every cop dreads—an elusive serial killer. While investigating a series of bloodletting rituals executed by an ominous perpetrator know as the Cipher, Jake refuses to submit to a drug test and resigns from the police department. Tower International, a controversial genetic engineering company, employs him as their director of security... moreJake Helman, an elite member of the New York Special Homicide Task Force, faces what every cop dreads—an elusive serial killer. While investigating a series of bloodletting rituals executed by an ominous perpetrator know as the Cipher, Jake refuses to submit to a drug test and resigns from the police department. Tower International, a controversial genetic engineering company, employs him as their director of security.While battling an addiction to cocaine, Jake enters his new high-pressure position in the private sector. What he encounters behind the closed doors of this sinister operation is beyond the realm of human imagination. Too horrible to contemplate, the experimentation is pure madness, the outcome of a hell where only pain and terror reside. Nicholas Tower is not the hero flaunted on the cover of Time magazine. Beneath the polished exterior of this frontiersman on the cutting edge of science is a corporate executive surrounded by the creations of his deranged mind.As Jake delves deeper into the hidden sphere of this frightening laboratory, his discoveries elicit more than stereotypical condemnation for unethical practices performed for the good of mankind. Sequestered in rooms veiled in secrecy is the worst crime the world will ever see—the theft of the human soul. less

In this action-packed novel, Jake Helman—the ex-cop and zombie killer—has set up shop as a private investigator in lower Manhattan. When a woman hires Jake to prove that her dead grandson is dealing a deadly new drug called “Black Magic” on a Brooklyn street corner, Jake uncovers a plot by a vicious drug lord to use voodoo to seize the streets of New York City... moreIn this action-packed novel, Jake Helman—the ex-cop and zombie killer—has set up shop as a private investigator in lower Manhattan. When a woman hires Jake to prove that her dead grandson is dealing a deadly new drug called “Black Magic” on a Brooklyn street corner, Jake uncovers a plot by a vicious drug lord to use voodoo to seize the streets of New York City. Gun-wielding zombie assassins, hallucinations, and betrayal confront Jake at every corner, but voodoo creates more terror than zombies, and Jake finds himself poised on the edge of insanity as he fights to restore the soul of the one person he trusts. A combination of hard-core horror and hard-boiled crime fiction, this thriller is gripping and suspenseful. less

When the wife of New York City mayor Myron Madigan hires private investigator Jake Helman to spy on her husband, the trail leads him to Karlin Reichard. The wealthy industrialist and kingmaker leads a cabal that has secretly manipulated world affairs for generations. In order to bring these powerful men down, Jake must join them... moreWhen the wife of New York City mayor Myron Madigan hires private investigator Jake Helman to spy on her husband, the trail leads him to Karlin Reichard. The wealthy industrialist and kingmaker leads a cabal that has secretly manipulated world affairs for generations. In order to bring these powerful men down, Jake must join them. But at what cost to his own soul?Battling human assassins and supernatural creatures, Jake pursues a quest to uncover the mystery behind the order of Avademe and a moster willing to destroy heaven and hell to rule the earth. less

The sign on Jake Helman’s office door says Private Investigator, but this ex-cop’s profession is more complicated than spying on cheating spouses. Over the course of two years, Jake has battled demons, zombies, even a cosmic monster—and he has paid dearly, both physically and emotionally, for his exploits... moreThe sign on Jake Helman’s office door says Private Investigator, but this ex-cop’s profession is more complicated than spying on cheating spouses. Over the course of two years, Jake has battled demons, zombies, even a cosmic monster—and he has paid dearly, both physically and emotionally, for his exploits.Now on a quest to save his best friend’s soul, Jake embarks on his greatest and most terrifying odyssey yet: from the streets of New Orleans to the nightclubs of Miami to the jungles of Pavot Island, where undead slaves harvest narcotics for a ferocious dictator.But this time Jake isn’t alone. Maria Vasquez, a beautiful NYPD homicide detective, joins him to rescue her former partner. With no backup and limited resources, Jake and Maria battle voodoo overlords, military troops, and an army of zombies. What will prove deadlier to Jake: the addictive drug called Black Magic, the return of an old enemy, or a vengeful demon plotting against him? Tortured Spirits is an action-packed, gore-soaked, supernatural thrill ride that will leave horror fans gasping for Jake Helman’s return. less