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 Savitch, who has developed a predictive program to aid in the apprehension of serial killers.

After his sister is in a horrible car accident and then vanishes from the hospital, FBI agent Ford MacDougal, along with agents Lacey Sherlock and Dillon Savich, learns that the murder of an elderly woman is linked mysteriously to his sister's disappearance.

FBI agent Dillon Savich is faced with personal turmoil when his sister is injured in a serious automobile accident, but when he and his wife, Lacey Sherlock, investigate, they stumble upon an intricate conspiracy involving a fortune in art.

Son of an ex-FBI agent, Miles Kettering, six-year-old Sam Kettering is kidnapped and taken to eastern Tennessee. The boy manages to escape. But the kidnappers do not give up. Miles Kettering joins Lacey Sherlock and Dillon Savich to investigate why the kidnappers want this little boy so badly - and they also soon find themselves ineluctably drawn into the investigation of the murders of three math teachers in the Washington, D.C. area.

Coulter's #1 "New York Times" bestseller finds FBI agents Lacey Sherlock and Dillon Savich facing the most dangerous case of their careers, and it all begins when Savich is nearly killed while trying to rescue a kidnapped entertainer.

FBI Special Agents Dillon Savich and Lacey Sherlock are assigned to protect Dr. MacLean, a physician with frontal lobe dementia that could compromise his ability to maintain doctor-patient confidentiality. With a patient list made up of Washington movers and shakers, MacLean's role as a keeper of secrets is jeopardized as well. Is there someone out there so desperate that they'd kill the doctor for what he knows? It is up to Jackson, Savich, and Sherlock...

Married FBI agents Lacey Sherlock and Dillon Savich are investigating a rather unusual case: Senator David Hoffman is experiencing a ghostly apparition with possible malicious intent. They're no closer to cracking the case when a call comes in from Connecticut: A top foreign Schiffer Hartwin employee has been found murdered behind the drug company's U.S. headquarters.

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.

" #1 New York Times-bestselling author Catherine Coulter returns with the newest full-throttle adventure in the FBI series featuring Dillon Savich and Lacey Sherlock. Natalie Black, the U.S. ambassador to the Court of St. James, has returned to Washington, her job in jeopardy. Her fiance;, George McCallum, Viscount Lockenby, has died in a car accident, and mysterious rumors begin that she's responsible begin to surface: she broke off the engagement...

"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...

"The next chilling thriller in the New York Times bestselling FBI Thriller series"-- With unparalleled suspense and her trademark explosive twists, #1 New York Times bestselling author Catherine Coulter delves into the terrifying mind of an escaped mental patient obsessed with revenge in this next installment of her riveting FBI series. When he fails to kidnap five-year-old Sean Savich, agents Sherlock and Savich know they're in his crosshairs and...

Targeted by a vengeful psychopath out to destroy his family, Savich receives three mysterious boxes containing clues leading to an unfamiliar community and a young wife who must confront a decades-old secret.

"Agents Savich and Sherlock are back in the latest installment in Catherine Coulter's #1 New York Times bestselling FBI Thriller series, and this time both are enlisted to help women with traumatic pasts who are in mortal danger"--