A Fever in the Heart dissects an explosive triangle that led to obsession and murder in a small town in the northwest of America. Ann Rule reveals the story of an alluring wife and the two men desperate for her love; a story with a bizarre and deadly twist that no one could have suspected. In this and several other riveting true-crime cases from her personal files, Ann Rule masterfully probes the delusions of the criminal mind, the fateful circumstances and the unrelenting investigative forces at work in the aftermath of murder.

Although happily ensconced in a loving second marriage and a new family of quadruplets, Sheila Blackthorne Bellush never truly escaped the enslavement of her ex-husband, multimillionaire Allen Blackthorne, a handsome charmer - and a violent, controlling sociopath who terrorized her for a decade after their divorce. When Sheila was slain in her home, in the presence of her four toddlers, authorities raced to link the crime to Blackthorne, the man who vowed to monitor Sheila's every move in his obsessive quest for power and revenge.

Why would a man kill his lover's husband and then his wife, the woman who fought successfully to have him paroled from prison? Why would he risk arrest by kidnapping the child of another woman who adored him? Because they were... Worth More Dead....

Jenn Corbin appeared to have it all: two dear little boys, a posh home in one of the upscale suburbs of Atlanta, expensive cars, a plush houseboat, and a husband - Dr. Bart Corbin, a successful dentist - who was tall, handsome, and brilliant. But gradually, their seemingly idyllic life together began to crumble. Bart was distraught and Jenn seemed disenchanted. Then, just a few weeks before Christmas 2004, Jenn was found dead with a bullet in her head, an apparent suicide....

It’s a chilling reality that homicide investigators know all too well: The last face most murder victims see is not that of a stranger, but of someone familiar. Whether only an acquaintance or a trusted intimate, such killers share a common trait that triggers the downward spiral toward death for someone close to them: They are masters at hiding who they really are. Their clever masks let them appear safe, kind, and truthful. They are anything but - and almost no one can detect the murderous impulses buried deep in their psyches.