Profiler Sarah Armstrong knows what it’s like to be in a sticky situation. But when megawealthy businessman Edward
Lucas III is found murdered along with his mistress, their bodies posed in grotesque ways, Sarah quickly senses that this will be the deadliest case of her career.
While others focus on Lucas’s estranged wife, Sarah hunts a suspect only she believes in. Yet nothing in her career has prepared her for the horror of a young man who believes he has been sent from heaven to massacre innocent people.
When Sarah picks up the killer’s elusive trail, the psychopath sets his sights on all she holds dear. Filled with pulse-pounding action, Singularity features a feisty, funny, and tough heroine and a truly creepy killer, as it races along to a chilling and unexpected climax.
An award-winning journalist and a critically acclaimed bestselling author, Kathryn Casey has written eleven true crime books and is the creator of the Sarah Armstrong and Clara Jefferies mystery series. ANGEL FALLS, her first historical fiction, was inspired by the life of Ruth Robertson, who in 1949 measured the world’s tallest waterfall. Casey’s books have been Literary and Mystery Guild selections, and DEADLY LITTLE SECRETS was made into a Lifetime movie. Her first novel, SINGULARITY, was named a Best Crime Novel Debut by Booklist, and Library Journal chose THE KILLING STORM for its annual list of Best Mysteries. Elle Magazine picked DIE, MY LOVE as one of the ten best thrillers and crime books written by a woman. True crime matriarch Ann Rule praised Casey as "one of the best," and #1 NY Times bestselling author Gregg Olsen has called Casey "a true crime great." In addition, Casey has written more than a hundred national magazine articles and pieces for The Washington Post, the Boston Globe, and the Houston Chronicle. In 2022, Casey was featured on the top ten Netflix limited documentary series “Crime Scene: The Texas Killing Fields.” She’s appeared on dozens of television and radio programs, including The Today Show, Good Morning America, 20/20, 48 Hours, Oprah, Investigation Discovery, the Travel Channel, A&E, and other venues.