Undercover FBI agent, James Quinlon, becomes attracted to Sally Brainerd, while he is investigating her for the murder of her father, Amory St. John.

FBI agents Dillon and Lacey (Sherlock) Savich rescue two boys kidnapped from Maryland and then rush off to California to save Dillon's sister from a greedy art collector.

FBI agent Ruth Warnecki hunts for Confederate gold in a West Virginia cave. She never expects to encounter the grisly murder that catapults her into a horrific plague of death, all centered on the prestigious Stanislaus School of Music. And at Hooter's Motel in Maryland, FBI agents Savich and Carver are nearly killed while attempting to rescue a kidnap victim. Instead of a hostage, all they see is a glowing-red timer and then a catastrophic explosion....

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...

There is a strong suspicion that pharmaceutical firm Schiffer Hartwin is manipulating production of its inexpensive chemotherapy drug. Private investigator Erin Pulaski is hired to find evidence, but when a top Schiffer Hartwin employee is found murdered behind the company's US headquarters, FBI agents Dillon Savich and Lacey Sherlock are brought in on the case.

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...