The provided text, excerpts from "Sense of Evil - Kay Hooper," follows FBI Special Agent Isabel Adams as she assists the local police department in Hastings with a serial killer case. This killer targets blonde, savvy women, escalating his brutal methods, and has killed three women in three weeks, leading the police to seek FBI assistance. Isabel, a psychic with the Special Crimes Unit, experiences visions and "voices" that aid her investigations, though these abilities come with a personal cost, including physical pain and the lingering presence of "evil." The narrative also explores the complexities of Detective Mallory Beck and her secret past with a victim, subtly hinting at a deeper connection to the killer's motives. As Isabel and her partner Hollis Templeton, also a psychic, collaborate with Chief Rafe Sullivan, they uncover the killer's shifting modus operandi and a disturbing connection to Isabel's own past.