Bad Blood (The Naturals, 4) by Jennifer Lynn Barnes (

Bad Blood is the fourth book in The Naturals series, where Cassie Hobbes and her team of teenage profilers face their most personal and dangerous case yet. After uncovering shocking truths about their pasts, the Naturals are plunged into a complex and chilling mystery involving secret societies, long-buried family secrets, and a twisted killer with connections to their own lives. As the lines between hunter and hunted blur, Cassie must confront her darkest fears and make impossible choices to save herself and her friends. The stakes are higher than ever, and the clock is ticking in this gripping finale to the series.