"Keeping secrets, telling lies, they require the same skill. Both become a habit, almost an addiction, that's hard to break even with the people closest to you, out of the business. For example, they say never trust a woman who tells you her age; if she can't keep that secret, she can't keep yours. I'm fifty-nine." Brigid Quinn's experiences in hunting sexual predators for the FBI have left her with memories she wishes she didn't have and lethal skills...

In 1959, a family of four were brutally murdered in Holcomb, Kansas. Perry Smith and Dick Hickok were convicted and executed for the crime, and the murders and their investigation and solution became the subject of Truman Capote's masterpiece, In Cold Blood. But what if there was a third killer, who remained unknown? What if there was another family, also murdered, who crossed paths with this band of killers, though their murder remains unsolved?...

"Retired FBI agent Brigid Quinn knows how difficult it can be to overcome one's past. But she is nothing if not a fighter. Even when the return of a serial killer from her past threatened to derail her new marriage, she managed to hold on to the life she's been trying to build in Tucson with her husband, Carlo. At first, the new challenges in her life seem pretty mundane compared to a serial killer. After her sister-in-law dies, Brigid's nineteen-year-old...