Review: Killer Instinct - Book #2 The Naturals Series - Jennifer Lynn Barnes - November 2014 Returning to The Naturals series with Killer Instinct was like diving back into a world of psychological intrigue, gripping suspense, and unforgettable characters. I first discovered The Naturals in October 2020 and was captivated by the concept of a group of gifted teenagers working alongside the FBI to solve crimes. Life and new books got in the way, but now, with Books #2 and #3 waiting on my shelf, it was time to revisit this thrilling world. In Killer Instinct, seventeen-year-old Cassie Hobbes continues her work in the elite FBI program for teens with exceptional crime-solving abilities. After the harrowing events of the first book, she’s hoping for a quieter experience, focusing on cold cases rather than facing active threats. However, danger has other plans. A brutal new serial killer emerges, mirroring the methods of Dean’s incarcerated father—a connection that shakes the team to its c...