Karen Vail

A brutal serial killer known as "Dead Eyes" is lurking in the backyard of the famed Virginia FBI Profiling Unit. Despite the gifted profiling skills of Special Agent Karen Vail, the psychopath is always one step ahead with uncanny knowledge of the FBI's detailed strategy of pursuit. Threatening to derail the investigation and her career is Vail's contentious divorce from an abusive husband and an ugly custody battle. As Vail fights to find the killer before he murders more young women, she must battle forces determined to bring her down.

Heroine and renowned FBI profiler Karen Vail returns in an explosive thriller set against the backdrop of California's wine country. Hoping to find solace from the demons that haunt her, Vail makes her first trip to the Napa Valley. But shortly after arriving, a victim is found in the deepest reaches of an exclusive wine cave, the work of an extraordinarily unpredictable serial killer.

FBI profiler Karen Vail returns in Velocity, national best-selling author Alan Jacobson’s most explosive thriller to date. Vail’s boyfriend, Detective Robby Hernandez, has seemingly disappeared into the dense air of a Napa Valley evening. There are no clues to his whereabouts, other than a blood stain - and potential connections to a serial killer operating in the wine country.

When an elderly woman is found raped and brutally murdered in San Francisco, Vail heads west to team up with SFPD Inspector Lance Burden and her former task force colleague, Detective Roxxann Dixon. As Vail, Burden, and Dixon follow the killer’s trail in and around San Francisco, the offender continues his rampage, leaving behind clues that ultimately lead them to the most unlikely of places: a mysterious island ripped from city lore whose long-buried, decades-old secrets hold the key to their case.

When a potent firebomb destroys part of an art gallery in an exclusive London district, FBI Profiler Karen Vail is dispatched to England to assist Scotland Yard in their investigation. But Vail soon discovers that at the heart of the bombing lies a 440-year-old manuscript that holds clues to England's past-with dramatic political and social implications. The manuscript's content is so explosive that a group of political radicals is bent on destroying it at all costs.

The year is 1995 and the NYPD has just graduated a promising new patrol officer named Karen Vail. The rookie's first day on the job is anything but easy when she finds herself at the crime scene of a young woman murdered in an unusual manner. Vail is unsure of what she's looking at or what it means - but it's a case that will weigh on her mind for nearly 20 years.

Jasmine Marcks was a teenager when she discovered her father was a killer. First, there was the strip of bloody duct tape; then, the bloodstain on his shirt; and finally, the long nights away from home that always coincided with gruesome deaths. Roscoe Lee Marcks killed 14 people before he was finally put behind bars - but, as renowned FBI agent Karen Vail soon learns, Marcks's reign of terror isn't over yet.

When Det. Adam Russell of the Honolulu PD encounters the body of a woman in her sixties—the second in recent days to inexplicably die of what seem like natural causes—he reaches out to Karen Vail, the renowned FBI profiler, who hops on the next plane. But even for someone as fluent in the language of murder as Vail, this case is hard to read. How were these women asphyxiated with no signs of trauma? How can she gather clues or collect evidence when the killer seems to strike during the briefest casual encounters? Is this the behavior of a male or a female perpetrator?