While FBI agents Savich and Sherlock track down a female serial killer with possible ties to Ted Bundy, Special Agent Lucy Carlisle learns from her dying father that the murder of her grandmother may be connected to a mysterious group called The Protectors.

The murder of FBI agent Dane Carver's twin brother draws husband-and-wife team Lacey Sherlock and Dillon Savitch into the investigation, which runs from San Francisco to Los Angeles and involves a homel

FBI Special Agent Griffin Hammersmith must figure out who was behind the attempt on his sister's life while helping FBI agents Savich and Sherlock discover who murdered the grandson of the former chairman of the Federal Reserve Bank.

"Insidious is the twentieth thriller in #1 New York Times bestselling author Catherine Coulter's FBI series. FBI agents Savich and Sherlock must discover who is trying to murder eighty-six-year-old Venus Rasmussen, a powerful, wealthy society icon. They soon find out that the danger may be closer than expected. Venus Rasmussen, a powerful eighty-six-year-old woman who still runs Rasmussen Industries, an international conglomerate, believes someone...

"Seven years ago, Mia Briscoe was at a college frat rave with her best friend Serena when a fire broke out. Everyone was accounted for except Serena, who was never seen nor heard from again. Now an investigative journalist covering the political scene in New York City, Mia discovers old photos taken the night of Serena's disappearance, and begins to uncover a sinister string of events going all the way back to that disastrous party. Working with Sherlock,...

When a San Francisco judge is shot at the same time a once-relentless federal prosecutor turns cautious, FBI agents Lacey Sherlock and Dillon Savich receive an ominous note from the culprit that blames them for the incident.

Barely surviving a motel bombing while trying to rescue a kidnapped entertainer, FBI agents Dillon Savich and Dane Carver find themselves working against an unstable villain with designs on their families and fellow agents.

Lacey Sherlock's life is forever changed when her older sister's body is discovered in an abandoned warehouse. She is the fourth victim of the String Killer, the name given by the media to a murderer who leads his victims into a maze with a ball of twine. Seven years after Belinda's death, Lacey, now an FBI agent, is paired up with computer whiz Dillon Savich, who has developed a predictive program to aid in the apprehension of serial killers. When...

When she was twelve years old, Kirra Mandarian's parents were murdered; she barely escaped with her life. Fourteen years later, a commonwealth attorney back home in Porte Franklin, Virginia, her goal is to find out who killed her parents and why. She turns to Dillon Savich for help, and he brings in Special Agent Griffin Hammersmith to work with Lieutenant Jeter Thorpe, the detective who had saved Kirra years before. Emma Hunt, a piano prodigy and...

FBI agents Dillon Savich and Lacey Sherlock are joined by one of their own and a Virginia sheriff in an extraordinary case that immerses them in the world of psychic visions, mind benders, and communications with the dead.