Books like Split Second by Catherine Coulter

After her husband’s brutal murder, Julia Ransom’s brief moment of peace in San Francisco is shattered by a violent attack. Special Agent Cheney Stone saves her, links the assault to the death, and launches a new investigation into psychic murders.

The Target follows veteran assassin Will Robie as he navigates high‑stakes missions, political intrigue, and betrayal in a world of targeted killings.

When six‑year‑old Sam Kettering is kidnapped in Tennessee, former FBI agent Miles Kettering and investigator Dillon Savich race to uncover the motives behind the abduction while also tracking a series of murders in Washington, D.C.

FBI Special Agent Griffin Hammersmith investigates the attempt on his sister’s life while helping agents Dillon Savich and Lacey Sherlock uncover the murder of a federal reserve chairman’s grandson.

When a San Francisco priest is murdered, his twin FBI agent brother, Dane Carver, teams with detectives Savich and Sherlock to hunt the killer, racing against time through city streets and Hollywood studios with a homeless witness in pursuit.

American‑born, UK‑raised Scotland Yard detective Nicholas Drummond teams with FBI agents Lacey Sherlock and Dillon Savich to stop an international thief from stealing the Koh‑i‑Noor diamond, forcing a high‑stakes pursuit that spans New York and London.

FBI agents Dillon Savich and Lacey Sherlock race to protect seven‑year‑old Autumn Backman, who can telepathically communicate with a select few, as a dangerous family secret threatens her life.

FBI agents Lacey Sherlock and Dillon Savich race against a shadowy foe to rescue a kidnapped entertainer, while secrets from a mysterious cave threaten their lives.

FBI agents Lacey Sherlock and Dillon Savich race to investigate the murder of a judge during a high-profile trial, but their investigation turns deadly.

When a fellow FBI agent’s plane crashes in the Appalachian Mountains, spouses Savich and Sherlock rescue the pilot and passenger, only to plunge into a deadly investigation filled with murder attempts, political intrigue, and looming terror.

"I very much need to be dead." These are the chilling last words left by a man who had everything to live for but took his own life. In the void that remains stands his widow, FBI agent Jane Hawk, surrounded by questions destined to go unanswered unless she does what all the grief and fury inside her demand: Find the truth, no matter what. People of talent and accomplishment, people seemingly happy and sound of mind, have recently been committing suicide in surprising numbers. A disturbing pattern is beginning to emerge. Jane is determined to give up everything to find out why. And if that means going rogue and becoming America's Most Wanted, then so be it. Those arrayed against her are legion, and devoted to protecting something profoundly important-or terrifying-enough to exterminate any and all in their way. But Jane is as clever as these enemies are cold-blooded, as relentless as they are ruthless. And she is driven by a righteous rage they can never comprehend. Because it is born of love.

FBI agents Savich and Sherlock investigate an attempted murder on 86‑year‑old Venus Rasmussen, a powerful industrialist, while Special Agent Cam Wittier teams with Detective Daniel Montoya to hunt a serial killer targeting actresses.

Two fast‑paced FBI thrillers, The Target and The Edge, are combined in one volume. The stories follow agents Savich and Sherlock as they hunt dangerous conspiracies that threaten their lives and uncover hidden threats.

Agent Lacey Sherlock thwarts a terrorist attack at JFK, only to find another bombing plot targeting St. Patrick's Cathedral, while a mysterious killer stalks her partner Savich. In a race against time, FBI investigators must uncover the truth before more lives are lost.