Ann Rule’s A Murder to Remember (2020)

Inspired by Ann Rule’s true crime collection Empty Promises. Javier and Robin Rivera are celebrating their one-year anniversary on a camping trip. But when Javier ends up dead, Robin finds herself alone in the rough wilderness. She accepts help from another camper, a mysterious stranger named Sam and slowly places her life in his hands. But is Sam there to protect Robin? Or does she need protecting from him?